People tell me, "You're such an optimist". Am I an optimist? An optimist says the glass is half full. A pessimist says the glass is half empty. A survivalist is practical. He says, "Call it what you want, but just fill the glass." I believe in filling the glass.
Louis Zamperini, David Rensin (2014). “Don't Give Up, Don't Give In: Lessons from an Extraordinary Life”, p.6, Harper Collins