Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
Success is not final, failure is not fatal: It is the courage to continue that counts.
The greatest glory in living lies not in never falling, but in rising every time we fall.
To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.
In the end, we will remember not the words of our enemies, but the silence of our friends.
You have within you right now, everything you need to deal with whatever the world can throw at you.