Survival Quotes - Page 14
Charles Darwin (1869). “On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life”, p.92
Alan W. Watts, Daniel Pinchbeck (2013). “The Joyous Cosmology: Adventures in the Chemistry of Consciousness”, p.4, New World Library
"I Will Fear No Evil" by Robert A. Heinlein, Ace Books, (p. 35), 1987.
Paul Anthony Samuelson (1973). “The Samuelson sampler”
Nadine Gordimer (2012). “July's People”, p.7, A&C Black