optimist
n. A person with a digestive disorder who is incapable of getting nutrition from reality.
n. A proponent of the doctrine that black is white.
n. A person who while falling from a cliff declares "See, I am not injured yet."
n. A person without experience.
n. One who says the glass is half full, but never asks where the other half is.
Cynical Quotations
An optimist stays up to see the New Year in. A pessimist waits to make sure the old one leaves.
— Bill Vaughan
The place where optimism most flourishes is the lunatic asylum.
— Havelock Ellis
The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true.
— Irving Caesar