The problem with the gene pool is that there is no lifeguard.

The hardness of the butter is proportional to the softness of the bread.

The sooner you fall behind, the more time you'll have to catch up.

The colder the X-ray table, the more of your body is required to be on it.

Your DNA may be destined to mingle with mine. Salutations!

Both of us had decided, quite independently of each other, that the central problem in molecular biology was the chemical structure of the gene.

Basically I'm an optimist. Intellectually I can see man's balance is about fifty-fifty, and his chances of blowing himself up are about one to one. I can't see…