It is impossible for human nature to believe that money is not there. It seems so much more likely that the money is there and only needs bawling for.

And what do all the great words come to in the end, but that? I love you - I am at rest with you - I have come home.

Never think that wars are irrational catastrophes: they happen when wrong ways of thinking and living bring about intolerable situations ... the root causes of conflict are usually to be found in some wrong way of life in which all parties have acquiesced, and for which everybody must, to some extent, bear the blame.

The rule seemed to be that a great woman must either die unwed ... or find a still greater man to marry her. ... The great man, on the other hand, could marry where he liked, not being restricted to great women; indeed, it was often found sweet and commendable in him to choose a woman of no sort of greatness at all.

The only ethical principle which has made science possible is that the truth shall be told all the time. If we do not penalize false statements made in error, we open up the way for false statements by intention. And a false statement of fact, made deliberately, is the most serious crime a scientist can commit.

A continual atmosphere of hectic passion is very trying if you haven't got any of your own.

A facility for quotation covers the absence of original thought.