The dumbest thing smart people do: Overthink. The smartest thing dumb people do: Act.

Knowledge is knowing what to say. Wisdom is knowing when to say it.

Wisdom is nothing more profound than an ability to follow one's own advice.

Wisdom is knowing what to do with what you know.

Wisdom is knowing the long-term consequences of your actions.

Being wise means having more questions than answers.

Knowledge is discovered collectively. Wisdom is rediscovered individually.

To attain knowledge, add things everyday. To attain wisdom, remove things everyday.

To doubt everything or to believe everything are two equally convenient solutions; both dispense the necessity of reflection.

The wise man knows he knows nothing, the fool thinks he knows all.

Wisdom is not the product of schooling but the lifelong attempt to acquire it.

The invariable mark of wisdom is to see the miraculous in the common.

Wisdom is the reward you get for a lifetime of listening when you'd have preferred to talk.

Knowledge speaks, but wisdom listens.

Wisdom is not a product of age but of observation, reflection, and learning from mistakes.

The art of being wise is the art of knowing what to overlook.

Wisdom is the power to put our time and our knowledge to the proper use.

A wise man can see more from the bottom of a well than a fool can from a mountain top.

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

The wise man carries his possessions within him.

Wisdom is not finally tested in the schools, Wisdom cannot be pass'd from one having it to another not having it, Wisdom is of the soul.

The doorstep to the temple of wisdom is a knowledge of our own ignorance.

Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it.

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

Wisdom is the supreme part of happiness.

The wise man does at once what the fool does finally.

Wisdom is the daughter of experience.

The function of wisdom is to discriminate between good and evil.

Wisdom is not wisdom when it is derived from books alone.

A wise man proportions his belief to the evidence.

The wise man knows when to be silent and when to speak.