The only way of finding the limits of the possible is by going beyond them into the impossible.

Diligence is the mother of good fortune. And idleness, its opposite, never brought a man to the goal of any of his best wishes.

People don't realize how a man's whole life can be changed by one book.

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.

Dare to live the life you have dreamed for yourself. Go forward and make your dreams come true.

Status quo, you know, is Latin for 'the mess we're in'.

Do not go where the path may lead, go instead where there is no path and leave a trail.

Out of intense complexities intense simplicities emerge.

Everything I've ever done was out of fear of being mediocre.

Whatever you are, be a good one.

Change your thoughts and you change your world.

Our greatest glory is not in never falling but in rising every time we fall.

When they say the sky's the limit to me that's really true

When I was in college, I wanted to be involved in things that would change the world.

It is greed to do all the talking but not to want to listen at all.

Don?t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine.

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.

Never trust the advice of a man in difficulties.

I do not want to die rusting, I prefer to burn out.

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

Keep your face always toward the sunshine - and shadows will fall behind you.