It always seems impossible until it's done.
You can't build a reputation on what you are going to do.
All the darkness in the world cannot extinguish the light of a single candle.
Cultivate your curves - they may be dangerous but they won't be avoided.
When you believe in a thing, believe in it all the way, implicitly and unquestionably.
Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.
People who say it cannot be done should not interrupt those who are doing it.
No leader can be too far ahead of his followers.
I don't care what people think or say about me, I know who I am.
People are capable, at any time in their lives, of doing what they dream of.
The world is the great gymnasium where we come to make ourselves strong.
For every dark night, there's a brighter day
I believe that if you show people the problems and you show them the solutions they will be moved to act.
Be the change that you wish to see in the world.
Why live an ordinary life, when you can live an extraordinary one.
I'm sorry I wrote you such a long letter; I didn't have time to write a short one.
You can't learn in school what the world is going to do next year.
Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!
A liar will not be believed even when he speaks the truth.
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.
Great things are not done by impulse, but by a series of small things brought together.