A bird doesn't sing because it has an answer, it sings because it has a song.

You get in life what you have the courage to ask for.

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

The greatest accomplishment is not in never falling, but in rising again after you fall.

Change your thoughts and you change your world.

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

Self-confidence is the first requisite to great undertakings.

One of the things I learned when I was negotiating was that until I changed myself, I could not change others.

People who say it cannot be done should not interrupt those who are doing it.

I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

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

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.

We're lost, but we're making good time

Some people don't like change, but you need to embrace change if the alternative is disaster.

It's what you learn after you know it all that counts.

Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.

Differences are not intended to separate, to alienate. We are different precisely in order to realize our need of one another.

I may have had a lot of luck in my life, but I still need to find a challenge in the game.

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

Our life is what our thoughts make it.

You'll never get ahead of anyone as long as you try to get even with him.