The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

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

Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

Turn and face the strange.

Happiness is when what you think, what you say, and what you do are in harmony.

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.

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.