Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

Scar tissue is stronger than regular tissue. Realize the strength, move on.

We should not give up and we should not allow the problem to defeat us.

My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.

Neither seek nor avoid, take what comes.

In a conflict between the heart and the brain, follow your heart.

Don't find fault, find a remedy; anybody can complain

For me, I'm focused on what I want to do. I know what I need to do to be a champion, so I'm working on it.

There is only one corner of the universe you can be certain of improving, and that's your own self.

Truth is like the sun. You can shut it out for a time, but it ain't goin' away.

We cannot direct the wind, but we can adjust the sails.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

Character isn't something you were born with and can't change, like your fingerprints. It's something you weren't born with and must take responsibility for forming.

The unexamined life is not worth living.

No leader can be too far ahead of his followers.

Weakness of attitude becomes weakness of character.

They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

A sudden dart when a little over a hundred feet from the end of the track, or a little over 120 feet from the point at which it rose into the air, ended the flight.

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

The present is theirs; the future, for which I really worked, is mine.