I think in order to write The selfish Gene it required Hamilton.
We realize that, sick or healthy, George is a selfish, bitter jerk.
I'm amazed, as quirky, individual and selfish as most of us are, that anyone stays married for long.
How does one make 100 selfish individuals subordinate their own interest to that of the community?
But every time I try, I realize how much of a selfish ass I really am.
So selfish, so small, for a man who knows in his heart how great God is.
It ain't a selfish feeling, so I know there's some good in it.
I'll crowd him right out; I know it may be selfish, but, damn it!
But the feelings of Cornelius in no case deserved consideration—they were so selfish.
But you do all this, not from any selfish motives, but from a sense of duty to the clock itself.
Let us understand what our own selfish genes are up to, because we may then at least have the chance to upset their designs. [Richard Dawkins, "The Selfish Gene," 1976]Related: Selfishly; selfishness. Cf. similar formations in German selbstisch, Swedish sjelfvisk, Danish selvisk.