With the fearful strain that is on me night and day, if I did not laugh I should die.

I decided to sell my drawings. However, I didn't want people to buy my drawings because the professor of physics isn't supposed to be able to draw - isn't that wonderful - so I made up a false name.

Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.

I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.

Those who occupy their minds with small matters, generally become incapable of greatness.