Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

Believe you can and you're halfway there.

The question isn't who is going to let me; it's who is going to stop me.

Knowing what's right doesn't mean much unless you do what's right.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

The best way to find yourself is to lose yourself in the service of others.

I don't care what people think or say about me, I know who I am.

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.

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

Ideas come from everything

Most people live and die with their music still unplayed. They never dare to try.

My dear friend, clear your mind of cant.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

Great work requires great and persistent effort for a long time. … Character has to be established through a thousand stumbles.

Pizza makes me think that anything is possible.

United we stand; divided we fall.

It's the possibility of having a dream come true that makes life interesting.

I am not what happened to me, I am what I choose to become.

I am not bound to win, but I am bound to be true. I am not bound to succeed, but I am bound to live by the light that I have. I must stand with anybody that stands right, and stand with him while he is right, and part with him when he goes wrong.

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

When I'm good, I'm very good, but when I'm bad, I'm better.