I've never been an optimist, but that's fine because…

The defining characteristic of pessimists is that they tend to believe that bad events will last a long time, will undermine everything they do,…

— Martin Seligman

The bottom line on attitude is that a good one helps to increase your possibilities. Pessimists usually get what they expect. So do optimists.

— John C. Maxwell

My pessimism goes to the point of suspecting the sincerity of the pessimists.

— Edmond Rostand

Pessimists fear becoming the dupes of Hope. Optimists enjoy Hope's company, and consider being duped no great matter.

— Mason Cooley

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

— Denis Waitley

Optimists and pessimists die the exact same death, but they live very different lives!

— Shimon Peres

“Actually he was a pessimist, and, like all pessimists, a ridiculously unobservant man.”

— Vladimir Nabokov

“And truthfully, when microbiologists talk amongst ourselves, off the record after a few glasses of wine, the optimists admit their optimism is more wishful…

— Sean Chercover

“Gnostics (and Buddhists) have often been labeled pessimists and world haters because of their willingness to look the dark face of the world in…

— Stephan A. Hoeller

“Optimists see the glass as half full. Pessimists see the glass as half empty. Experiential trainers see the whole glass and its context.”

— Bogdan Vaida

Whatever pretended pessimists in search of notoriety may say, most people are naturally kind, at heart.

— James Branch Cabell

Pessimists are usually kind. The gay, bubbling over, have no time for the pitiful.

— Sean O Faolain

I'm one of life's pessimists. I'm ready for everything to go wrong at any moment.

— Josh Widdicombe

“To see all pessimists as pessimists is to be a pessimist.”

— Mokokoma Mokhonoana

I thought all my life that optimists and pessimists pass away the same way, so why be a pessimist?

— Shimon Peres