\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{Jorge Juan (jorgejuan007)} \pdfinfo{ /Title (laws-of-human-stupidity.pdf) /Creator (Cheatography) /Author (Jorge Juan (jorgejuan007)) /Subject (Laws of Human Stupidity Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{A3453E} \definecolor{LightBackground}{HTML}{F9F3F2} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Laws of Human Stupidity Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Jorge Juan (jorgejuan007)} via \textcolor{DarkBackground}{\uline{cheatography.com/35958/cs/11453/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}Jorge Juan (jorgejuan007) \\ \uline{cheatography.com/jorgejuan007} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 14th April, 2017.\\ Updated 22nd February, 2023.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{p{0.8 cm} x{7.2 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{The Laws of Human Stupidity}} \tn % Row 0 \SetRowColor{LightBackground} I & Always and inevitably everyone underestimates the number of stupid individuals in circulation. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} II & The probability that a certain person will be stupid is independent of any other characteristic of that person. \tn % Row Count 7 (+ 4) % Row 2 \SetRowColor{LightBackground} III & A stupid person is a person who causes losses to another person or to a group of persons while himself deriving no gain and even possibly incurring losses. \tn % Row Count 12 (+ 5) % Row 3 \SetRowColor{white} IV & Non-stupid people always underestimate the damaging power of stupid individuals. In particular non-stupid people constantly forget that at all times and places and under any circumstances to deal and/or associate with stupid people always turns out to be a costly mistake. \tn % Row Count 20 (+ 8) % Row 4 \SetRowColor{LightBackground} V & A stupid person is the most dangerous type of person. \tn % Row Count 22 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Corollary: a stupid person is more dangerous than a pillager.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.36 cm} x{4.64 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{The Dual Factors of Human Behaviour (Self,Others)}} \tn % Row 0 \SetRowColor{LightBackground} Self & Benefits and losses that an individual causes to him or herself. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Others & Benefits and losses that an individual causes to others. \tn % Row Count 6 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Lets represent the combinations 2x2 of factors (Self, Other) in cuadrants as (win,win), (win, lose), (lose, win) and (lose, lose)} \tn % Row Count 9 (+ 3) % Row 3 \SetRowColor{white} (win,win) Intelligent & Who contribute to society and who leverage their contributions into reciprocal benefits \tn % Row Count 13 (+ 4) % Row 4 \SetRowColor{LightBackground} (win,lose) Bandits & Who pursue their own self-interest even when doing so poses a net detriment to societal welfare \tn % Row Count 18 (+ 5) % Row 5 \SetRowColor{white} (lose,win) Helpless & Who contribute to society but are taken advantage of by it (and especially by the "bandit" sector of it) \tn % Row Count 23 (+ 5) % Row 6 \SetRowColor{LightBackground} (lose,lose) {\bf{Stupid people}} & Whose efforts are counterproductive to both their and others' interests \tn % Row Count 27 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{Note about (lose, win)}} Extreme altruists and pacifists may willingly and consciously (rather than helplessly) accept a place in this category for moral or ethical reasons. \newline There is a 5th category represented as (0,0) of ineffectual people.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} x{7.2 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Corollaries First Law, by Giancarlo Livraghi}} \tn % Row 0 \SetRowColor{LightBackground} I & In each of us there is a factor of stupidity, which is always larger than we suppose \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} II & When the stupidity of one person combines with the stupidity of others, the impact grows geometrically – i.e. by multiplication, not addition, of the individual stupidity factors \tn % Row Count 8 (+ 5) % Row 2 \SetRowColor{LightBackground} III & The combination of intelligence in different people is more difficult than the combination of stupidity \tn % Row Count 11 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{See Also: A Short Introduction to the History of Human Stupidity by Walter B. Pitkin} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{About Stupidity}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Comes from the Latin verb {\emph{stupere}}, for being numb or astonished, and is related to stupor.} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Stupidity is a quality or state of being stupid, or an act or idea that exhibits properties of being stupid.} \tn % Row Count 5 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{James F. Welles defines: {\emph{The term may be used to designate a mentality which is considered to be informed, deliberate and maladaptive}}} \tn % Row Count 8 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Wilfred Bion considered that psychological projection created a barrier against learning anything new, and thus its own form of pseudo-stupidity} \tn % Row Count 11 (+ 3) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Otto Fenichel: {\emph{People become stupid ad hoc, that is, when they do not want to understand, where understanding would cause anxiety or guilt feeling, or would endanger an existing neurotic equilibrium}}} \tn % Row Count 15 (+ 4) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Jung: {\emph{it requires no art to become stupid; the whole art lies in extracting wisdom from stupidity. Stupidity is the mother of the wise, but cleverness never}}} \tn % Row Count 19 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Welles distinguishes stupidity from ignorance; one must know they are acting in their own worst interest. Secondly, it must be a choice, not a forced act or accident. Lastly, it requires the activity to be maladaptive, in that it is in the worst interest of the actor, and specifically done to prevent adaption to new data or existing circumstances} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Kurt von Hammerstein-Equord}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{I divide my officers into four groups. There are clever, diligent, stupid, and lazy officers. Usually two characteristics are combined. Some are clever and diligent - their place is the General Staff. The next lot are stupid and lazy, they make up 90 percent of every army and are suited to routine duties. {\emph{Anyone who is both clever and lazy is qualified for the highest leadership duties, because he possesses the intellectual clarity and the composure necessary for difficult decisions}}. {\bf{One must beware of anyone who is stupid and diligent - he must not be entrusted with any responsibility because he will always cause only mischief}}% Row Count 13 (+ 13) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Kurt Freiherr von Hammerstein-Equord (26 September 1878 – 24 April 1943) was a German general who served for a period as Commander-in-Chief of the German Army. He was an ardent opponent of Hitler and the Nazi regime.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{The Three Friends of Stupidity}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{\{\{ac\}\}Ignorance · Fear · Habit} \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{From Part Four of "The Power of Stupidity" by Giancarlo Livraghi 2002} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Albert Einstein's Quote}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{\{\{bt\}\}{\bf{Albert Einstein}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{\{\{bt\}\}{\emph{Two things are infinite: the universe and human stupidity; and I'm not sure about the former}} quote in Gestalt Therapy Verbatim by Frederick S. Perls.} \tn % Row Count 5 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{See the Spin-Off Cheat Sheet \newline http://www.cheatography.com/jorgejuan007/cheat-sheets/quotes-about-stupidity/} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Carlo M. Cipolla}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Carlo M. Cipolla (August 15, 1922 – September 5, 2000) Italian economic historian} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Published (in Italian) the title {\emph{Allegro ma non troppo}} (1988) The Basic Laws of Human Stupidity} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Stupid people act as a group, more powerful by far than major organizations such as the mafia and the military industrial complex, which without regulations, leaders or manifesto nonetheless manages to operate to great effect and with incredible coordination} \tn % Row Count 10 (+ 6) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{See: \seqsplit{https://en.wikipedia.org/wiki/Carlo\_M.\_Cipolla}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Principles}} \tn % Row 0 \SetRowColor{LightBackground} Hanlon's razor & Never attribute to malice that which can be adequately explained by stupidity \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Occam's razor & Among competing hypotheses, the one with the fewest assumptions should be selected \tn % Row Count 7 (+ 4) % Row 2 \SetRowColor{LightBackground} \seqsplit{Dunning-Kruger} effect & Occurs where people fail to adequately assess their level of competence — or specifically, their incompetence — at a task and thus consider themselves much more competent than everyone else. (people who are too stupid to know how stupid they are) \tn % Row Count 17 (+ 10) % Row 3 \SetRowColor{white} Impostor Syndrome & Competent people tend to underestimate their ability compared to others \tn % Row Count 20 (+ 3) % Row 4 \SetRowColor{LightBackground} Not Enough Know & A little knowledge is a dangerous thing. A small amount of knowledge can mislead a person into thinking that they're an expert because this small amount of knowledge isn't a well known fact \tn % Row Count 28 (+ 8) % Row 5 \SetRowColor{white} Ignorance Confidence & Ignorance more frequently begets confidence than does knowledge \tn % Row Count 31 (+ 3) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Principles (cont)}} \tn % Row 6 \SetRowColor{LightBackground} Poe's Law & Without a clear indication of the author's intent, it is difficult or impossible to tell the difference between an expression of sincere extremism and a parody of extremism. \tn % Row Count 7 (+ 7) % Row 7 \SetRowColor{white} Peter's Principle & Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it (Laurence J. Peter) \tn % Row Count 13 (+ 6) % Row 8 \SetRowColor{LightBackground} Hatchett's Principle & Real stupidity beats artificial intelligence every time \tn % Row Count 16 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Hanlon's razor is essentially a special case of Occam's razor (or Lex Parsimonae) \newline Recomended Lectures: \seqsplit{http://gandalf.it/stupid/stupid.htm} \newline Video John Cleese on Stupidity: \seqsplit{https://youtu.be/wvVPdyYeaQU}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{How Not To Look Stupid}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{A study offers a scientific answer. \newline % Row Count 1 (+ 1) Balázs Aczél, a psychology professor at Eotvos Lorand University in Budapest is a co-author of a study, Aczél and his colleagues gathered 180 pieces of writing from the news, blog sites, and social media deemed as "stupid" \newline % Row Count 6 (+ 5) Researchers noticed 3 different types of behaviors most often deemed as stupid. \newline % Row Count 8 (+ 2) Their statistical analysis of the data found that people regard stupid action in three different categories: \newline % Row Count 11 (+ 3) (1) not maintaining a balance between confidence and abilities \newline % Row Count 13 (+ 2) (2) failures of attention \newline % Row Count 14 (+ 1) (3) lack of control \newline % Row Count 15 (+ 1) Examples of the 3 categories: \newline % Row Count 16 (+ 1) 1. Overconfidence \newline % Row Count 17 (+ 1) Aczél term is "confident ignorance," when someone is overconfident about their ability to do something. A driver refuses to ask for directions, and end up lost. \newline % Row Count 21 (+ 4) 2. Lack of control \newline % Row Count 22 (+ 1) On a diet but buys cookies in the grocery store "just in case." \newline % Row Count 24 (+ 2) 3. Absent-mindedness \newline % Row Count 25 (+ 1) Your mind is wandering or thinking in other thing. Crash!!! \newline % Row Count 27 (+ 2) Researchers noted that more is needed to determine how much of their findings are influenced by culture and shared expectations. \newline % Row Count 30 (+ 3) } \tn \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{How Not To Look Stupid (cont)}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{The level of observed stupidity was dependent on the level of responsibility and the consequences of the action.% Row Count 3 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Published in Intelligence \newline Volume 53, November–December 2015, Pages 51-58 \newline https://doi.org/10.1016/j.intell.2015.08.010} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Bonhoeffer's Theory of Stupidity}} \tn \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Dietrich Bonhoeffer was a German theologian under the Nazi regime. He spent in prison for speaking against the Nazi regime. Thinking about was happening in Germany he came to the conclusion that "the root of the problem was not malice, but stupidity." \newline % Row Count 6 (+ 6) Evil can be exposed and fought against. Against stupidity we are defenseless. \newline % Row Count 8 (+ 2) "Stupidity is not an intellectual defect", says Bonhoeffer, "but a moral one. There are educated stupid people and wise uneducated people". \newline % Row Count 11 (+ 3) "We note further that people who have isolated themselves from others or who live in solitude manifest this defect less frequently than individuals or groups of people inclined or condemned to sociability. And so it would seem that stupidity is perhaps less a psychological than a sociological problem." \newline % Row Count 18 (+ 7) "It is a particular form of the impact of historical circumstances on human beings, a psychological concomitant of certain external conditions. Upon closer observation, it becomes apparent that every strong upsurge of power in the public sphere, be it of a political or of a religious nature, infects a large part of humankind with stupidity." \newline % Row Count 25 (+ 7) "Against stupidity we have no defense. Neither protests nor force can touch it. Reasoning is of no use. Facts that contradict personal prejudices can simply be disbelieved — indeed, the fool can counter by criticizing them, and if they are undeniable, they can just be pushed aside as trivial exceptions. So the fool, as distinct from the scoundrel, is completely self-satisfied. In fact, they can easily become dangerous, as it does not take much to make them aggressive. For that reason, greater caution is called for than with a malicious one. Never again will we try to persuade the stupid person with reasons, for it is senseless and dangerous."% Row Count 39 (+ 14) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{We live in a world of endless stupidity} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Author: Jorge Juan Lafuente}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Version 2.1 Feb 2023} \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{God bless you with the gift of avoiding stupidity !} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}