Nature is interested in only two things--to survive and to reproduce one like itself. Anything you superimpose on that, all the cultural… — U.G. Krishnamurti Copy Share Image
“For the rest of the earth’s organisms, existence is relatively uncomplicated. Their lives are about three things: survival, reproduction, death—and nothing else.… — Thomas Ligotti Copy Share Image
“Those natural designs that survive to reproduce pass on their genes. Those that don’t successfully reproduce disappear; their genes disappear as well.” — Bill Nye Copy Share Image
Mammals are sentient beings that want to live and are afraid to die. Evolution vouchsafed us all with an instinct to survive,… — Michael Shermer Copy Share Image
Philosophers of biology generally recognize that evolutionary fitness (roughly, an organism's ability to survive and reproduce in its environment) is multiply realizable. — Elliott Sober Copy Share Image