We have everything we need, in fact, except the most important thing of all — time to think and the habit of thought.

A casual attitude toward human hurt and pain is the surest sign of educational failure.

All things are possible, once enough human beings realize that everything is at stake.

Hearty laughter is a good way to jog internally without having to go outdoors.

History is an accumulation of error.

A library is the delivery room for the birth of ideas, a place where history comes to life.

What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.