Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

Winning isn't everything but wanting to win is.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Insanity is doing the same thing over and over again and expecting different results.

One man with courage is a majority.

The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.

Only the wisest and stupidest of men never change.

A superior man is modest in his speech, but exceeds in his actions.

A lot of legends, a lot of people, have come before me. But this is my time.

When I go, God's going to have to give up his favourite chair.

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

Imagination is everything. It is the preview of life's coming attractions.

Too much sanity may be madness - and the maddest of all is to see life as it is and not as it should be.

Sincerity and truth are the basis of every virtue.

The man with no imagination has no wings.

It is our choices...that show what we truly are, far more than our abilities.

Once you learn to quit, it becomes a habit.

Our lives begin to end the day we become silent about things that matter.

When I'm inspired, I get excited because I can't wait to see what I'll come up with next.

When you arise in the morning think of what a privilege it is to be alive, to think, to enjoy, to love ...

Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently. You can practice any virtue erratically, but nothing consistently without courage.