I give myself very good advice, but I very seldom follow it.
Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]
If you think you understand it, that only shows that you don't know the first thing about it.
We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct. My own feeling is that it is not crazy enough.
If we couldn't laugh at ourselves, that would be the end of everything.
The opposite of every great idea is another great idea.
It is a great pity that human beings cannot find all of their satisfaction in scientific contemplativeness.
An America we can be proud of, rather than an America to be embarrassed of. You know it's a sign, when you see American backpackers traveling abroad with Canadian flags on their packs!
A sure thing is no fun.
Human connection is the way things work. It's like a patronage system. You know somebody, and he knows somebody, and he knows somebody, and he knows the district governor, and it's okay.
If we [humans] disappeared overnight, the world would probably be better off.