“Man is not a rational animal; he is a rationalizing animal.”
Robert A. Heinlein book Tunnel in the Sky
Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 42)
3, 18, 1
On Abstinence from Killing Animals
“Man is not a rational animal; he is a rationalizing animal.”
Robert A. Heinlein book Tunnel in the Sky
Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 42)
Ingrid Newkirk (1949) British-American activist
Vogue 1989 September 1
Attributed variants:
"When it comes to having a central nervous system, and the ability to feel pain, hunger, and thirst, a rat is a pig is a dog is a boy"
"A rat is a pig is a dog is a boy. They’re all animals." — Washingtonian magazine, 1986 August 1
“Man is a rational animal – so at least I have been told.”
Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist
Often paraphrased as "It has been said that man is a rational animal. All my life I have been searching for evidence which could support this."
1950s, Unpopular Essays (1950)
Context: Man is a rational animal – so at least I have been told. Throughout a long life, I have looked diligently for evidence in favor of this statement, but so far I have not had the good fortune to come across it, though I have searched in many countries spread over three continents.
“If we are to keep our democracy, there must be one commandment: Thou shalt not ration justice.”
Learned Hand (1872–1961) American legal scholar, Court of Appeals judge
To The New York Legal Aid Society (16 February 1951).
Extra-judicial writings
William Blackstone book Commentaries on the Laws of England
Introduction, Section II http://avalon.law.yale.edu/18th_century/blackstone_intro.asp: Of the Nature of Laws in General <br class="br">Commentaries on the Laws of England (1765–1769)
David Stras (1974) American judge
The Incentives Approach to Judicial Retirement https://poseidon01.ssrn.com/delivery.php?ID=550083013021092016089124092101123109019053019081050000104123078004026111095112098007032035042036057108108088070117116005124105087007061001121113115101118119116088029023111029064077104010121092024068066031005116087002001031092011074124095102105073&EXT=pdf (October 25, 2005)
H. Jay Dinshah (1933–2000) American proponent of veganism and Jain ethics
"Go Vegan for the Animals" (adapted from "Let’s Talk about Veganism" in Powerful Vegan Messages, 2014), in the American Vegan Society website http://www.americanvegan.org/animals.html.