How futile are words in the ears of those who mourn.

Life is a succession of lessons which must be lived to be understood.

Now I feel as if I should succeed in doing something in mathematics, although I cannot see why it is so very important. . . The knowledge doesn't make life any sweeter or happier, does it?

God himself is not secure, having given man dominion over his work.

I do not mean to object to a thorough knowledge of the famous works we read. I object only to the interminable comments and bewildering criticisms that teach but one thing: there are as many opinions as there are men.

If we do not like our work, and do not try to get happiness out of it, we are a menace to our profession as well as to ourselves.

Smells are the fallen angels of the senses.