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

To give pleasure to a single heart by a single act is better than a thousand heads bowing in prayer.

You are never too old to become younger!

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

Self-confidence is the first requisite to great undertakings.

Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.

Improvement makes strait roads, but the crooked roads without Improvement, are roads of Genius.

You say I started out with practically nothing, but that isn't correct. We all start with all there is, it's how we use it that makes things possible.

Courage is the thing. All goes if courage goes.

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

They alone live, who live for others.

It is better to light one small candle than to curse the darkness.

To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

The crisis of today is the joke of tomorrow.

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

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.

Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.

Don't stop chasing your dreams, because dreams do come true.

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

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

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