Robert A. Heinlein book Tunnel in the Sky
Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 43)
Introduction; Republished in: " The Naked Ape by Desmond Morris https://books.google.nl/books?id=a0oEAAAAMBAJ&pg=PA95," LIFE, Vol. 63, Nr. 25 (22 Dec. 1967), p. 95 <br class="br">The Naked Ape (1967)
Robert A. Heinlein book Tunnel in the Sky
Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 43)
John C. Wright (1961) American novelist and technical writer
Source: Titans of Chaos (2007), Chapter 6, “Six Score Leagues Northwest of Paradise” Section 4 (p. 75)
Stephen Jay Gould book Eight Little Piggies
"The Declining Empire of Apes", p. 288
Eight Little Piggies (1993)
Spider Robinson (1948) Canadian author
God Is An Iron (1977)
Context: "It took a couple of hundred million years to develop a thinking ape and you want a smart one in a lousy few hundred thousand? That lemming drive you're talking about is there — but there's another kind of drive, another kind of force that's working against it. Or else there wouldn't still be any people and there wouldn't be the words to have this conversation and—" She paused, looked down at herself. "And I wouldn't be here to say them."
Stanley Baldwin (1867–1947) Former Prime Minister of the United Kingdom
Speech to the annual dinner of the Yorkshire Society, London (8 November 1933), quoted in This Torch of Freedom (1935), p. 137.
1933
Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist
Letter to Lucy Donnelly (23 June 1946)
1940s
John Napier (1550–1617) Scottish mathematician
A Plaine Discovery of the Whole Revelation of St. John (1593), The First and Introductory Treatise