I know little about nature and hardly anything about men.

We all try to escape pain and death, while we seek what is pleasant.

But the creative principle resides in mathematics. In a certain sense, therefore, I hold true that pure thought can grasp reality, as the ancients dreamed.

The American lives even more for his goals, for the future, than the European. Life for him is always becoming, never being.

One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.

Life is sacred, that is to say, it is the supreme value, to which all other values are subordinate.

Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.