I think nature's imagination Is so much greater than man's, she's never going to let us relax.
Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.
Whatever the mind of man can conceive and believe, it can achieve.
Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!
I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.
The greatest sin is to think yourself weak
Some people don't like change, but you need to embrace change if the alternative is disaster.
My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically.
If we ever forget that we're one nation under God, then we will be one nation gone under.
I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.
When all is said and done, more is said than done.
People throw stones at you and you convert them into milestones.
Find out who you are. And do it on purpose.
They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.
When I was in college, I wanted to be involved in things that would change the world.
Go then if you must, but remember, no matter how foolish your deeds, those who love you will love you still.
You'll never get ahead of anyone as long as you try to get even with him.
Become a possibilitarian. No matter how dark things seem to be or actually are, raise your sights and see possibilities -- always see them, for they're always there.
Live as if you were to die tomorrow. Learn as if you were to live forever.
Neither seek nor avoid, take what comes.
The greatest thing in the world is to know how to belong to oneself.