Eggheads, unite! You have nothing to lose but your yolks.

Our strength lies, not alone in our proving grounds and our stockpiles, but in our ideals, our goals, and their universal appeal to all men who are struggling to breathe free.

Power corrupts, but lack of power corrupts absolutely.

A wise man who stands firm is a statesman, a foolish man who stands firm is a catastrophe.

[I]t is difficult to picture the great Creator conceiving of a program of one creature (which He has made) using another living creature for purposes of experimentation. There must be other, less cruel ways of obtaining knowledge.

I have been told that one of the reasons the astronomers of the world cooperate is the fact that there is no one nation from which the entire sphere of the sky can be seen. Perhaps there is in that fact a parable for national statesmen, whose political horizons are all too often limited by national horizons.

A man doesn't save a century, or a civilization, but a militant party wedded to a principle can.