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

When it comes down to it, I let them think what they want. If they care enough to bother with what I do, then I'm already better than them.

The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are.

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

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

Fantasy is an exercise bicycle for the mind. It might not take you anywhere, but it tones up the muscles that can. Of course, I could be wrong.

I don’t think we are going to become extinct. We are very clever and very resourceful.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

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

Imperfection is beauty, madness is genius and it's better to be absolutely ridiculous than absolutely boring.

Motivation is what gets you started. Habit is what keeps you going.

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.

After all is said and done, more is said than done.

Winning isn't everything but wanting to win is.

People are capable, at any time in their lives, of doing what they dream of.

Ask for what you want and be prepared to get it!

Self-confidence is the first requisite to great undertakings.

I will never be by violence constrained to do anything.

As long as I'm in great shape, nobody beats me, for sure.

Do you want to know who you are? Don't ask. Act! Action will delineate and define you.

Nothing great was ever achieved without enthusiasm.