Pessimism Quote by J. Robert Oppenheimer

Optimists think that this is the best of all possible worlds; pessimists fear they are right.

— J. Robert Oppenheimer

The optimist thinks that this is the best of all possible worlds, and the pessimist knows it.

— J Robert Oppenheimer

The optimist proclaims that we live in the best of all possible worlds, and the pessimist fears this is true.

— James Branch Cabell

An optimist makes the impossible possible. A pessimist makes the possible impossible.

— Anonymous

I don't know if the optimists or the pessimists are right. But, the optimists are going to get something done.

— Craig Venter

Pessimists see a problem behind every opportunity. Optimists see an opportunity behind every problem.

— Denis Waitley

“An optimist is someone who thinks that on planet number five the history of mankind will be less bloody. A pessimist is one who…

— Milan Kundera

The world belongs to optimists; the pessimists are only spectators.

— Francois Guizot

In the long run the pessimist may be proven right, but the optimist has a better time on the trip

— Anonymous

Optimists are right. So are pessimists. It's up to you to choose which you will be.

— Harvey Mackay

Only from the perspective of such a utopia is it possible to use the concepts of pessimism and optimism with full justification: an optimist…

— Milan Kundera

I am not an optimist, but a great believer of hope.

— Nelson Mandela