Letter to David C.C. Watson, 23 April 1984. Quoted from https://answersingenesis.org/ https://answersingenesis.org/genesis/oxford-hebrew-scholar-professor-james-barr-meaning-of-genesis/
link https://web.archive.org/web/20170612180930/http://members.iinet.com.au:80/~sejones/barrlett.html Source: The authenticity of this letter is not verified yet.
“All animals, except man, know that the principal business of life is to enjoy it.”
Source: The Way of All Flesh (1903), Ch. 19
Help us to complete the source, original and additional information
Samuel Butler 232
novelist 1835–1902Related quotes

“I don’t know if it’s enough for a whole life, a man wants to enjoy many women, a man is different.”
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Bartlett's Familiar Quotations, 10th ed. (1919), Maxims

“The important business of man is life, and the important business of life is death.”

“The young man knows the rules, but the old man knows the exceptions.”
Attributed in the Sioux City Journal http://www.siouxcityjournal.com/ (6 Jul 2008), p. A8
In fact, from a " Valedictory Address https://books.google.com/books?id=7joCAAAAYAAJ&pg=PA426&dq=The+young+man+knows+the+rules,+but+the+old+man+knows+the+exceptions&hl=en&sa=X&ved=0CCcQ6AEwAmoVChMI1-e4oOewyAIVWFmICh0eVQsI#v=onepage&q=%22The%20young%20man%20knows%20the%20rules%2C%20but%20the%20old%20man%20knows%20the%20exceptions%22&f=false, delivered to the Graduating Class of the Bellevue Hospital College" in 1871 by Oliver Wendell Holmes, Sr, reprinted in the New York Medical Journal 13 (April 1871): 426.
Misattributed

“I've had an animal all my life, I wouldnt know myself without one!)”
From "The Diary of Billy Talent":