I am always doing what I cannot do yet, in order to learn how to do it.

After all is said and done, more is said than done.

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

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

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.

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

If we want a free and peaceful world, if we want to make the deserts bloom and man grow to greater dignity as a human being-we can do it.

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

You must never be fearful about what you are doing when it is right.

Our life is what our thoughts make it.

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

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

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

If you spend too much time thinking about a thing, you'll never get it done.

Be happy, but never satisfied.

One person with a belief is equal to a force of ninety-nine who have only interests.

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.

Only the wisest and stupidest of men never change.

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

It's not whether you got knocked down; it's whether you get back up.

Ideas come from everything