There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

Turn and face the strange.

People who boast about their I.Q. are losers.

You never change things by fighting the existing reality. To change something, build a new model that makes the existing model obsolete.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

Intelligence without ambition is a bird without wings.

Everyone thinks of changing the world, but no one thinks of changing himself.

No matter what people tell you, words and ideas can change the world.

We should seek the greatest value of our action.