I am the captain of my soul.

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

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.

March on. Do not tarry. To go forward is to move toward perfection. March on, and fear not the thorns, or the sharp stones on life's path.

Nothing is impossible, the word itself says 'I am possible'

It's not what you look at that matters, it's what you see.

Freedom from the desire for an answer is essential to the understanding of a problem.

Make the most of yourself....for that is all there is of you.

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

It may have been in pieces, but I gave you the best of me.

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

Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.

This is one small step for a man, one giant leap for mankind.

Go then if you must, but remember, no matter how foolish your deeds, those who love you will love you still.

I wouldn't say I was the best manager in the business. But I was in the top one.

Self-confidence is the first requisite to great undertakings.

To succeed in your mission, you must have single-minded devotion to your goal.

We all have possibilities we don't know about. We can do things we don't even dream we can do.

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

If you paint in your mind a picture of bright and happy expectations, you put yourself into a condition conducive to your goal.