The greatest glory in living lies not in never falling, but in rising every time we fall.
The purpose of our lives is to add value to the people of this generation and those that follow.
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.
You have within you right now, everything you need to deal with whatever the world can throw at you.