Medicine is a collection of uncertain prescriptions, the results of which, taken collectively, are more fatal than useful to mankind.

Someone says, "Boys will be boys"; he forgot to add, "Boys will be men

Do you know what astonished me most in the world? The inability of force to create anything. In the long run, the sword is always beaten by the spirit.

If you wish to be a success in the world, promise everything, deliver nothing.

The strong man is the one who is able to intercept at will the communication between the senses and the mind.

A leader is a dealer in hope.