Never stand begging for what one has the power to earn.

So early in my life, I had learned that if you want something, you had better make some noise.

Winners and losers aren't born, they are the products of how they think

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

I seldom end up where I wanted to go, but almost always end up where I need to be.

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

Great spirits have always encountered violent opposition from mediocre minds.

People throw stones at you and you convert them into milestones.

You can't live a perfect day until you do something for someone who will never be able to repay you.

Be happy, but never satisfied.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

All thinking men are atheists.

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.

Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it!

Aim for the highest.

When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.

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

You got to get it while you can.

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

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.