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

The more I see, the less I know for sure.

Conquering others takes force, conquering yourself is true strength.

There's no one thing that's true. It's all true.

Those who know do not speak, those who speak do not know.

An honest man is always a child.

If you can't explain it to a six year old, you don't understand it yourself.

I cannot teach anybody anything. I can only make them think.

Always go too far, because that's where you'll find the truth.