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

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

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.

If you think we can't change the world, it just means you're not one of those what will.

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

Education is the most powerful weapon which you can use to change the world.

We should seek the greatest value of our action.