Nobody can hurt me without my permission.

Think good, and good follows. Think evil, and evil follows. You are what you think all day long.

I am not an Athenian or a Greek, but a citizen of the world.

The future depends on what you do today.

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

The best way to find yourself is to lose yourself in the service of others.

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

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

Those who cannot change their minds cannot change anything.