Chess is as elaborate a waste of human intelligence as you can find outside an advertising agency.

Poets are the sense philosophers the intelligence of humanity.

Human intelligence may not be the best trick nature has to offer.

Whatever debases the intelligence degrades the entire human being.

Science knows no country because knowledge belongs to humanity and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

Humanity I love you because when you're hard up you pawn your intelligence to buy a drink.

I'm an optimist in the sense that I believe humans are noble and honorable and some of them are really smart. I have a very optimistic view of individuals.

Man never made any material as resilient as the human spirit.

A human being has so many skins inside covering the depths of the heart. We know so many things but we don't know ourselves! Why thirty or forty skins or hides as thick and hard as an ox's or bear's cover the soul. Go into your own ground and learn to know yourself there.

The human imagination has already come to conceive the possibility of recreating human society.