“What else should you be? Human beings didn't evolve brains in order to lie around on lakes. Killing's the first thing we learned. And a good thing we did, or we'd be dead, and the tigers would own the earth.”
Source: Ender's Game
Help us to complete the source, original and additional information
Orson Scott Card 586
American science fiction novelist 1951Related quotes

The Humanist Frame (1961) p. 18 <!--"The Evolutionary Vision" (1960) p. 252 -->
Context: In the evolutionary pattern of thought, there is neither need nor room for the supernatural. The earth was not created; it evolved. So did all the animals and plants that inhabit it, including our human selves, mind and soul as well as brain and body. So did religion.
"Where Desert Spirits Crowd the Night", p. 282
The Ivory and the Horn (1996)

Bk I, Ch I
The Ethics Of Aristotle (Vol. I)

Where Are They? Why I Hope the Search for Extraterrestrial Life Finds Nothing https://nickbostrom.com/extraterrestrial.pdf (2008)