Science, by itself, cannot supply us with an ethic. It can show us how to achieve a given end, and it may show us that some ends cannot be achieved.

War doesn't determine who's right, it determines who's left

Belief in God and a future life makes it possible to go through life with less of stoic courage than is needed by skeptics.

Gradually, ... the aspect of science as knowledge is being thrust into the background by the aspect of science as the power of manipulating nature. It is because science gives us the power of manipulating nature that it has more social importance than art. Science as the pursuit of truth is the equal, but not the superior, of art. Science as a technique, though it may have little intrinsic value, has a practical importance to which art cannot aspire.

It is because modern education is so seldom inspired by a great hope that it so seldom achieves great results. The wish to preserve the past rather that the hope of creatingfuture dominates the minds of those who control the teaching of the young.

Mankind has become so much one family that we cannot insure our own prosperity except by insuring that of everyone else.

There is no difference between someone who eats too little and sees Heaven and someone who drinks too much and sees snakes.