The thing that is important is the thing that is not seen.

A civilization is built on what is required of men, not on that which is provided for them.

If you want to build a ship, teach the men to yearn for the vast and endless sea.

What makes the desert beautiful is that somewhere it hides a well.

There is no growth except in the fulfillment of obligations.

It's all a great mystery...Look up at the sky and you'll see how everything changes

All grown-ups were once children... but only few of them remember it.