Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.

Blind belief in authority is the greatest enemy of truth.

Of all the communities available to us, there is not one I would want to devote myself to except for the society of the true seekers, which has very few living members at any one time.

Those who believe that politics and religion do not mix, understand neither.

Since I have introduced this term I had always a bad conscience. . . . I cannot help to feel it strongly and I am unable to believe that such an ugly thing should be realized in nature.

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.

My religion consists of a humble admiration of the illimitable superior spirit who reveals himself in the slight details we are able to perceive with our frail and feeble mind.