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

Diplomacy is the art of saying "Nice doggie" until you can find a rock.

Take the diplomacy out of war and the thing would fall flat in a week.

There have been only 268 of the past 3,421 years free of war

Civilization exists by geological consent, subject to change without notice.

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