“The optimist thinks this is the best of all possible worlds. The pessimist fears it is true. ”
“The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true.”
“Still, Fritz was an optimist, and Karl was a pessimist, and that makes all the difference in the world.”
“A pessimist is a man who thinks all women are bad. An optimist is a man who hopes they are.”
“The world belongs to optimists. Pessimists are only spectators.”
“The optimist lives on the peninsula of infinite possibilities; the pessimist is stranded on the island of perpetual indecision.”