Wisdom

A man should never be ashamed to own he has been in the wrong, which is but saying, in other words, that he is wiser today than he was yesterday.
- Alexander Pope, 1688 - 1744

Doubt is the vestibule through which all must pass before they can enter into the temple of wisdom.
- Charles Caleb Colton, 1780 - 1832

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

Wisdom ceases to be wisdom when it becomes too proud to weep, too grave to laugh, and too selfful to seek other than itself.
- Kahlil Gibran, 1883 - 1931

It is the province of knowledge to speak And it is the privilege of wisdom to listen.
- Oliver Wendell Holmes, Jr, 1841 - 1935

The whole problem with the world is that fools and fanatics are so certain of themselves, but wiser people so full of doubts.
- Bertrand Russell, 1872 - 1970