Only years of practice will teach you the mysteries and bold certainty of a real gardener, who treads at random, yet tramples on nothing.

You still stand watch, O human star, burning without a flicker, perfect flame, bright and resourceful spirit. Each of your rays a great idea - O torch which passes from hand to hand, from age to age, world without end.

You never realize a dog is a man's best friend until you start betting on horses.

A short life is better for mankind, for a long life would deprive man of his optimism.

Robots do not hold on to life. They can't. They have nothing to hold on with - no soul, no instinct. Grass has more will to live than they do.

Much melancholy has devolved upon mankind, and it is detestable to me that might will triumph in the end...

Relativism is not indifference; on the contrary, passionate indifference is necessary in order for you not to hear the voices that oppose your absolute decrees...