To acquire knowledge, one must study; but to acquire wisdom, one must observe.

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

Lord, grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference.

Silence at the proper season is wisdom, and better than any speech.

Honesty is the first chapter in the book of wisdom.

A good deal of trouble has been caused in the world by too much intelligence and too little wisdom.