Knowledge that does not generate achievement is a pale and bloodless thing, unworthy of mankind.
Education is a progressive discovery of our own ignorance.
Men decided that it was better to pay taxes than to fight among themselves; better to pay tribute to one magnificent robber than to bribe them all.
Civilization exists by geological consent, subject to change without notice.
Can a civilization hold together if man abandons his faith in God?
To say nothing, especially when speaking, is half the art of diplomacy.