Mathematics, the non-empirical science par excellence . . . the science of sciences, delivering the key to those laws of nature and the universe which are concealed by appearances.

It is in the nature of a group and its power to turn against independence, the property of individual strength.

Under conditions of tyranny it is far easier to act than to think.

The new always happens against the overwhelming odds of statistical laws and their probability, which for all practical, everyday purposes amounts to certainty; the new therefore always appears in the guise of a miracle.

Luck serves ... as rationalization for every people that is not master of its own destiny.

Entirely new concepts are very rare in politics.

Violence is an expression of impotence.