The human being is a self-propelled automaton entirely under the control of external influences. Willful and predetermined though they appear, his actions are governed not from within, but from without. He is like a float tossed about by the waves of a turbulent sea.

Fights between individuals, as well as governments and nations, invariably result from misunderstandings in the broadest interpretation of this term.

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

The present is theirs; the future, for which I really worked, is mine.

When natural inclination develops into a passionate desire, one advances towards his goal in seven-league boots.

I can now state that I have succeeded in operating a motive device by means of [cosmic rays]. I will tell you in the most general way, the cosmic ray ionizes the air, setting free many charges - ions and electrons. These charges are captured in a condenser which is made to discharge through the circuit of the motor.

Great moments are born great opportunity.