W. Somerset Maugham on wisdom

The ability to quote is a serviceable substitute for wit.

The common idea that success spoils people by making them vain, egotistic and self-complacent is erroneous; on the contrary it makes them, for the most part, humble, tolerant and kind.

Money is like a sixth sense without which you cannot make a complete use of the other five.

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.