If history and science have taught us anything, it is that passion and desire are not the same as truth. Consilience: The Unity of Knowledge (1998)
Much of good science — and perhaps all of great science — has its roots in fantasy. Letters to a Young Scientist (2013)
Samuel Butler's famous aphorism that the chicken is only an egg's way of making another egg has been modernized: the organism is only DNA's way of making more DNA. Sociobiology: The New Synthesis (1975)
Genetic determinism... On its interpretation depends the entire relation between biology and the social sciences. On Human Nature (1978)