The 100 Greatest Quotes in History "Live as if you were going to die tomorrow. "What does not kill us makes us stronger. "The things that do not kill us make us stronger." "Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind," the saying goes. "Because those who matter don't mind." "The restricted perspectives of other people should not be allowed to dictate who we are." Additional things.