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

First they ignore you, then they laugh at you, then they fight you, then you win.

Intelligence is the ability to adapt to change.

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.

The future depends on what you do today.

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

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

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