... no bell in us tolls to let us know for certain when truth is in our grasp.

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.

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

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.

[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. Some would say it has yet to occur on Earth.

Bad timekeeping will suck the life out of your bank account.

Let us watch well our beginnings and results will manage themselves.

We don't want to put a band-aid on our problems that we keep talking about in society; we want to get down to the nitty gritty and do some surgery.

I'm not easy to live with. My wife is a saint.

The music that I make isn't really like any of the music that I listen to. I think I listen to cool music, but I know that I don't make cool music - so it's kind of funny!

You can't arrest me, I'm a rockstar.

Some people look at a glass and see it as half-full. Others look at a glass and call it a dragon.

Effective therapies treat the whole body as a unit.

Shared joy is increased, shared pain is lessened.