"I came to the conclusion that the optimist thought everything good except the pessimist, and that the pessimist thought everything bad, except himself." - G. K. Chesterton, Orthodoxy

"Do you know what a pessimist is? A person who thinks everybody as nasty as himself, and hates them for it." - George Bernard Shaw

"We saw our own lives in terms of promise, not pessimism. We thought our job here on Earth was to build up, not tear down; to unite, not to divide." - Clinton, William Jefferson in convocation speech at UCLA, on the death of Jacqueline Kennedy-Onassis