God help us -- for art is long, and life so short.

One spares old people just as one spares children.

Traveling is like gambling: it is always connected with winning and losing and generally where it is least expected we receive, more or less than what we hoped for.

Of the truly creative no one is ever master; it must be left to go its own way.

Everything in science depends on what one calls an aperçu, on becoming aware of what is at the bottom of the phenomena. Such becoming aware is infinitely fertile.

People who think honestly and deeply have a hostile attitude towards the public.

The world cannot do without great men, but great men are very troublesome to the world.