So prominent was the Jewish role in the foreign commerce of Europe that those nations that received the Jews gained and the countries that excluded them lost in the volume of international trade.

Truth always originates in a minority of one, and every custom begins as a broken precedent.

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.

War is one of the constants of history, and it has not diminished with civilization or democracy.

Woe to him who teaches men faster than they can learn.

Forget mistakes. Forget failure. Forget everything except what you're going to do now and do it. Today is your lucky day

Civilization exists by geological consent, subject to change without notice.