Whatever lifts the corners of your mouth, trust that.

I don’t think we are going to become extinct. We are very clever and very resourceful.

When you're at the end of your rope, tie a knot and hold on

Whenever a negative thought concerning your personal power comes to mind, deliberately voice a positive thought to cancel it out.

He that can have patience can have what he will.

The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

Your pain is the breaking of the shell that encloses your understanding.

A thing worth having is a thing worth cheating for.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

When they say the sky's the limit to me that's really true

The deeds you do may be the only sermon some persons will hear today.

The best way to find yourself is to lose yourself in the service of others.

If you are humble nothing will touch you, neither praise nor disgrace, because you know what you are.

I want to know what passion is. I want to feel something strongly.

You need a little bit of insanity to do great things.

It's always too early to quit.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

I am the captain of my soul.

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.