We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Success is not final, failure is not fatal: It is the courage to continue that counts.

Life is what happens when you're busy making other plans.

Believe you can and you're halfway there.
The only true wisdom is in knowing you know nothing.
The future belongs to those who believe in the beauty of their dreams.

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.
Be yourself; everyone else is already taken.
In three words I can sum up everything I've learned about life: it goes on.
It does not matter how slowly you go as long as you do not stop.
Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.
Don't cry because it's over, smile because it happened.
The only way to do great work is to love what you do.
You miss 100% of the shots you don't take.
The best way to predict the future is to create it.
The greatest glory in living lies not in never falling, but in rising every time we fall.
Happiness is not something ready made. It comes from your own actions.

You must be the change you wish to see in the world.
The only thing we have to fear is fear itself.