“In the end, it is ideas for which people kill each other.”
Introduction, p. 11
Think (1999)
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Simon Blackburn 29
British academic philosopher 1944Related quotes

“Ideas are more difficult to kill than people, but they can be killed, in the end.”
Source: American Gods (2001), Ch. 3
Context: Gods die. And when they truly die they are unmourned and unremembered. Ideas are more difficult to kill than people, but they can be killed, in the end.

“If two people love each other there can be no happy end to it.”
Source: The Stone That Never Came Down (1973), Chapter 23 (p. 180)

“Religious wars are basically people killing each other over who has the better imaginary friend.”
There is no known basis to attribute this saying to Napoleon. It is found (unattributed) in a Usenet post from July 1999 https://groups.google.com/forum/message/raw?msg=soc.penpals/QIUrpkacWyE/FbCj7pij5WwJ.
Misattributed

“Even the young are killing each other.”
Upon hearing that neo-fascist youth had attacked other youth reading a communist paper, as quoted in "From the archive, 30 September 1978: Pope John Paul I dies of heart attack" by George Armstrong, in The Guardian (30 September 2013) http://www.theguardian.com/theguardian/2013/sep/30/pope-john-paul-1-death-vatican

“Time: That which man is always trying to kill, but which ends in killing him.”
Definitions, as quoted in The Dictionary of Essential Quotations (1983) by Kevin Goldstein-Jackson, p. 154