It is wisdom that sets a man free. Nothing else.

The heart of wisdom is tolerance.

There is a wisdom of the head, and... there is a wisdom of the heart.

The aphorism "as a man thinketh in his heart so is he" contains the secret of life.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

The heart of a fool is in his mouth, but the mouth of a wise man is in his heart.