There is hardly an absurdity of the past that cannot be found flourishing somewhere in the present.

Civilization is not inherited; it has to be learned and earned by each generation anew; if the transmission should be interrupted for one century, civilization would die, and we should be savages again.

Science tells us how to heal and how to kill; it reduces our death rate in retail and then kills us wholesale in war; but only wisdom - desire coordinated in the light of all experience - can tell us when to heal and when to kill.

For you will sorely miss civilization if it is sacrificed in the turbulence of change.

To say nothing, especially when speaking, is half the art of diplomacy.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Our knowledge is a receding mirage in an expanding desert of ignorance.