Inquiry is fatal to certainty.

History offers some consolation by reminding us that sin has flourished in every age.

It may be true that you can't fool all the people all the time, but you can fool enough of them to rule a large country.

Caesar's armies marched on vegetarian foods.

Liberty is a luxury of security; the free individual is a product and a mark of civilization.

Sixty years ago I knew everything. Now I know nothing. Education is a progressive discovery of our own ignorance.

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