Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.
"Many people spend too much time trying to be the captain of someone else's boat. Learn to be a lighthouse and the boats will find their way."
"Happiness consists not in having, but of being, not of possessing, but of enjoying. It is the warm glow of a heart at peace with itself."
Norman Vincent Peale