You can't learn in school what the world is going to do next year.

If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

I believe that if you show people the problems and you show them the solutions they will be moved to act.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

Never look back unless you are planning to go that way.

Instead of worrying about what people say of you, why not spend time trying to accomplish something they will admire

It's not the load that breaks you down, it's the way you carry it.

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.

Sincerity and truth are the basis of every virtue.

A hero is no braver than an ordinary man, but he is brave five minutes longer.

Imagination is everything. It is the preview of life's coming attractions.

Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.

I'd rather be an optimist and a fool than a pessimist and right.

Some people regard discipline as a chore. For me, it is a kind of order that sets me free to fly.

Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.

Identify your problems but give your power and energy to solutions

People die from typewriters falling on their heads.

If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.

The key to immortality is first living a life worth remembering.

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

My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.