Don't be afraid of death so much as an inadequate life.

One can describe the world of today to the people of today only if one describes it as capable of alteration.

One cannot be arraigned for declaring a war, which every ruler has to do once in a while, but only for running a war badly.

People are too durable, that's their main trouble. They can do too much to themselves, they last too long.

Science knows only one commandment - contribute to science.

What is the robbing of a bank compared to the founding of a bank?

You can't write poems about trees when the woods are full of policemen.