In a pond koi can reach lengths of eighteen inches. Amazingly, when placed in a lake, koi can grow to three feet long. The metaphor is obvious. You are limited by how you see the world.

Walking your talk is a great way to motivate yourself. No one likes to live a lie. Be honest with yourself, and you will find the motivation to do what you advise others to do.

Nature can refuse to speak but she cannot give a wrong answer.

His works (taken together) are almost like a new edition of human nature.

There is a hearty Puritanism in the view of human nature which pervades the instrument of 1787 It is the work of men who believed in original sin, and were resolved to leave open for transgressors no door which they could possibly shut.

You know, it's almost human nature. If you give me a gift, I feel indebted to you... assuming it's a substantial gift.