A man begins cutting his wisdom teeth the first time he bites off more than he can chew.
Herb Caen
A prudent question is one-half of wisdom.
Francis Bacon
All this worldly wisdom was once the unamiable heresy of some wise man.
Henry David Thoreau
By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.
Confucius
Cleverness is not wisdom.
Euripides
Common sense in an uncommon degree is what the world calls wisdom.
Samuel Taylor Coleridge
Does wisdom perhaps appear on the earth as a raven which is inspired by the smell of carrion?
Friedrich Nietzsche
Every man is a damn fool for at least five minutes every day; wisdom consists in not exceeding the limit.
Elbert Hubbard
