Genius is making complex ideas simple, not making simple ideas complex

Although I cannot believe that the individual survives the death of his body, feeble souls harbor such thought through fear or ridiculous egotism.

The finest emotion of which we are capable is the mystic emotion. Herein lies the germ of all art and all true science. Anyone to whom this feeling is alien, who is no longer capable of wonderment and lives in a state of fear is a dead man.

To understand the world one must not be worrying about one's self.

You cannot solve current problems with current thinking. Current problems are the result of current thinking.

I would absolutely refuse any direct or indirect war service and would try to persuade my friends to do the same, regardless of the reasons for the cause of a war.

The true sign of intelligence is not knowledge but imagination.