I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.

Perseverance and spirit have done wonders in all ages.

We could all take a lesson from crayons: some are sharp, some are beautiful, some have weird names, and all are different colors, but they still learn to live in the same box...

I believe that every person is born with talent.

My dear friend, clear your mind of cant.

It's kind of fun to do the impossible.

Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.

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

Effort only fully releases its reward after a person refuses to quit.

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

Life isn't about finding yourself. Life is about creating yourself.

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.

If you want creative workers, give them enough time to play.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.

A goal is not always meant to be reached, it often serves simply as something to aim at.

Imagination will often carry us to worlds that never were, but without it we go nowhere.

Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.

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.

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

If you don't like the road you're walking, start paving another one.