“Natural selection has designed all parts of our bodies to last just long enough to see our children into independence, no more.”
Source: Genome (1999), Chapter 14 “Immortality” (p. 202)
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Matt Ridley 65
economist 1958Related quotes
"Brotherhood by Inversion", p. 328
Leonardo's Mountain of Clams and the Diet of Worms (1998)

Letter to Benjamin Banneker (30 August 1791) http://memory.loc.gov/cgi-bin/query/r?ammem/mtj:@field(DOCID+@lit(tj060149))
1790s
Context: No body wishes more than I do to see such proofs as you exhibit, that nature has given to our black brethren, talents equal to those of the other colors of men, and that the appearance of a want of them is owing merely to the degraded condition of their existence, both in Africa & America.

1860s, Speeches to Ohio Regiments (1864), Speech to One Hundred Forty-eighth Ohio Regiment (1864)
Context: SOLDIERS OF THE 148TH OHIO: — I am most happy to meet you on this occasion. I understand that it has been your honorable privilege to stand, for a brief period, in the defense of your country, and that now you are on your way to your homes. I congratulate you, and those who are waiting to bid you welcome home from the war; and permit me, in the name of the people, to thank you for the part you have taken in this struggle for the life of the nation. You are soldiers of the Republic, everywhere honored and respected. Whenever I appear before a body of soldiers, I feel tempted to talk to them of the nature of the struggle in which we are engaged. I look upon it as an attempt on the one hand to overwhelm and destroy the national existence, while, on our part, we are striving to maintain the government and institutions of our fathers, to enjoy them ourselves, and transmit them to our children and our children's children forever.

Speech to Conservative Party Conference (20 October 1967) http://www.margaretthatcher.org/document/101586
Backbench MP

“Music melts all the separate parts of our bodies together.”

“The moral code which was good enough for our fathers is not good enough for our children.”
Source: Aphorisms (1880/1893), p. 85.

Speech to the Federation of British Industries (13 April 1937), quoted in Service of Our Lives (1937), pp. 116-117.
1937