Old age is far more than white hair, wrinkles, the feeling that it is too late and the game finished, that the stage belongs to the rising generations. The true evil is not the weakening of the body, but the indifference of the soul.

A marriage without conflicts is almost as inconceivable as a nation without crises.

If, in New York, you arrive late for an appointment, say, "I took a taxi".

The minds of different generations are as impenetrable one by the other as are the monads of Leibniz.

Business is a combination of war and sport.

Memory is a great artist. For every man and for every woman it makes the recollection of his or her life a work of art and an unfaithful record.

Artificial inflation of stocks must be considered a crime as serious as counterfeiting, which it closely resembles.