Quotes from George Wald

There is nothing worth having that can be obtained by nuclear war - nothing material or ideological - no tradition that it can defend. It is utterly self-defeating.

I tell my students to try to know molecules, so well that when they have some question involving molecules, they can ask themselves, What would I do if I were that molecule?

A physicist is an atom's way of knowing about atoms.

Evolution advances, not by a priori design, but by the selection of what works best out of whatever choices offer. We are the products of editing, rather than of authorship.