We all agree that pessimism is a mark of superior intellect. John Kenneth Galbraith
I don’t believe in pessimism. If something doesn’t come up the way you want, forge ahead. If you think it’s going to rain, it will. Clint Eastwood
Pessimism never won any battle. Dwight D Eisenhower
Pessimism is an excuse for not trying and a guarantee to a personal failure. Bill Clinton
Pessimism is the one great self-fulfilling prophecy. Phillip Adams