To the optimist, pessimists are neurotic; to the pessimist, optimists are deluded.
David Levy
Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute.
Gladys Bronwyn Stern
Optimists and pessimists die the same way. They just live differently. I prefer to live as an optimist.
Shimon Peres
Don't ever become a pessimist, Ira; a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.
Robert A. Heinlein
I am an optimist, unrepentant and militant. After all, in order not to be a fool, an optimist must know what a sad place the world can be. It is only the pessimist who finds this out anew every day.
Peter Ustinov
Pessimists are just realistic optimists.
Anonymous
Levy, David
Levy, Michael
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