While I am a convinced pacifist there are circumstances in which I believe the use of force is appropriate - namely, in the face of an enemy unconditionally bent on destroying me and my people.

Human knowledge and skills alone cannot lead humanity to a happy and dignified life. Humanity has every reason to place the proclaimers of high moral standards and values above the discoverers of objective truth.

The measure of intelligence is the ability to change.

For the most part, I do the thing which my own nature prompts me to do. It is embarrassing to earn so much respect and love for it.

To get to know a country, you must have direct contact with the earth. It's futile to gaze at the world through a car window.

Man, surrounded by facts, permitting himself no surprise, no intuitive flash, no great hypothesis, no risk, is in a locked cell. Ignorance cannot seal the mind and imagination more securely.

Necessity is the mother of all invention.