Mixing one's wines may be a mistake, but old and new wisdom mix admirably.

If we continue to develop our technology without wisdom or prudence, our servant may prove to be our executioner.

Our wisdom comes from our experience, and our experience comes from our foolishness.

A man may learn wisdom even from a foe.

For all my education, accomplishments, and so called 'wisdom'... I can't fathom my own heart.