Bravery is the capacity to perform properly even when scared half to death.

If we continue to develop our technology without wisdom or prudence, our servant may prove to be our executioner.

Leadership is intangible, and therefore no weapon ever designed can replace it.

Set your course by the stars, not by the lights of every passing ship.

Ours is a world of nuclear giants and ethical infants. We know more about war that we know about peace, more about killing that we know about living.

We know more about war than we know about peace, more about killing than we know about living.