"I can't be a pessimist because I'm alive."

"—Blessed are they who expect the worst, for they shall get it!"

"Whatever pretended pessimists in search of notoriety may say, most people are naturally kind, at heart."

"Creeds matter very little. ... The optimist proclaims that we live in the best of all possible worlds; and the pessim…"

"I am so often accused of gloominess and melancholy. And I think I'm probably the most cheerful man around. I don't co…"

"I believe that there is a moral government; and that God reigns. I am no pessimist; I give thanks to the good Lord, a…"

"Man, at least when educated, is a pessimist. He believes it safer not to reflect on his achievements; Jove is known t…"

"The literature doesn't show that positive thinking helps (sports) performance; what the literature shows is that nega…"

"To think in terms of either pessimism or optimism oversimplifies the truth. The problem is to see reality as it is. A…"

"if we see a light at the end of the tunnel, it's the light of an oncoming train."