The greatest glory in living lies not in never falling, but in rising every time we fall.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.
To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.
Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.