Read no history: nothing but biography, for that is life without theory.

Without tact you can learn nothing. Tact teaches you when to be silent. Inquirers who are always questioning never learn anything.

No one but an adventurous traveler can know the luxury of sleep.

Never take anything for granted.

The Jews are a nervous people. Nineteen centuries of Christian love have taken a toll.

It is useless to deny, and impossible to conceal, that a great part of Europe, the whole of Italy and France, and a great portion of Germany, to say nothing of other countries - is covered with a network of these secret societies, just as the superfices of the Earth are being covered with railroads.

Beauty can inspire miracles.