If you can change your mind, you can change your life.

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

A great many people think they are thinking when they are merely rearranging their prejudices.

The deepest principle in human nature is the craving to be appreciated.

Whenever two people meet, there are really six people present. There is each man as he sees himself, each man as the other person sees him, and each man as he really is.

Most unhappiness is caused because people listen to themselves... instead of talking to themselves.

The great use of life is to spend it for something that will outlast it.

Act as if what you do makes a difference. It does.

You can alter your life by altering the state of your mind.

Real servants don't try to use God for their purposes. They let God use them for His purposes.

The greatest weapon against stress is our ability to choose one thought over another.

Before walking in someone else’s shoes, you have to remove your shoes first.

Life is growth. If we stop growing, technically and spiritually, we are as good as dead.

We need to work on the world so it will not be so oppressive.

I got an A in philosophy because I proved my professor didn't exist.

I intend to do the Penn & Teller show until they pry my cheesy magic wand from my cold dead fingers.

My mother never forgave my father

I love nerdy work. I love writing notes. I try to go back, as much as I can, to feed what happens and why they do what they do.

Without labor there is no rest, nor without fighting can the victory be won.

When I do form an opinion, I'm very aggressive about it. But I don't form that opinion until I've done a tremendous amount of work.