Victor Hugo on wisdom

One resists the invasion of armies; one does not resist the invasion of ideas.

Hell is an outrage on humanity. When you tell me that your deity made you in his image, I reply that he must have been very ugly.

I met in the street a very poor young man who was in love. His hat was old, his coat worn, his cloak was out at the elbows, the water passed through his shoes⁠—and the stars through his soul.

The only true wisdom is in knowing you know nothing.

Socrates470–399 BC

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.

Confucius551–479 BC

True wisdom comes to each of us when we realize how little we
understand about life, ourselves, and the world around us.