Gene Quotes
There is no gene "for” such unambiguous bits of morphology as your left kneecap or your fingernail. [...] Hundreds of genes contribute to the building of most body parts and their action is channeled through a kaleidoscopic series of environmental influences: embryonic and postnatal, internal and external. Parts are not translated genes, and selection doesn't even work directly on parts.
Stephen Jay Gould
Yes, it seems we've got this mutant gene in our human personality that makes us susceptible to this same kind of mistake over and over again. It's really uncanny how we build these beautiful multicultural edifices and then allow this switch to be flipped and everybody goes, 'Oh, the other, get them out of here.
Geraldine Brooks