“If you steal from one author, it’s plagiarism; if you steal from many, it’s research.”

That man has reached immortality who is disturbed by nothing material.

Happiness is the china shop; love is the bull.

Instead of saying that man is the creature of circumstance, it would be nearer the mark to say that man is the architect of circumstance.

Time is the most valuable thing a man can spend

Patience is a key element of success.

The unexamined life is not worth living.