The road to wisdom? Well, it's plain and simple to express:
Err
and err
and err again
but less
and less
and less.
- Piet Hein

Wisdom is knowing what to do next; virtue is doing it.
- David Starr Jordan

We can be knowledgeable with other men's knowledge, but we cannot be wise with other men's wisdom.
- Michel de Montaigne

We are made wise not by the recollection of our past, but by the responsibility for our future.
- George Bernard Shaw

Knowledge speaks, but wisdom listens.
- Jimi Hendrix

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

Honesty is the first chapter in the book of wisdom.
- Thomas Jefferson

Wisdom is the quality that keeps you from getting into situations where you need it.
- Doug Larson

Wisdom consists in being able to distinguish among dangers and make a choice of the least harmful.
- Niccolo Machiavelli

Patience is the companion of wisdom.
- St. Augustine

A wise man gets more use from his enemies than a fool from his friends.
- Baltasar Gracian

It is characteristic of wisdom not to do desperate things.
- Henry David Thoreau

I prefer the errors of enthusiasm to the indifference of wisdom.
- Anatole France

A prudent question is one-half of wisdom.
- Francis Bacon

Knowledge is a process of piling up facts; wisdom lies in their simplification.
- Martin H. Fischer