Doubt Quote by Howard Marks

Some people argue against both optimism and pessimism in favor of so-called realistic thinking. They distrust optimism on the grounds that it causes us…

— Price Pritchett

Scepticism is effortful and costly. It is better to be sceptical about matters of large consequences, and be imperfect, foolish and human in the…

— Nassim Nicholas Taleb

Optimism is a seed sown in the soil of faith; pessimism is a seed hoarded in the vault of doubt.

— William Arthur Ward

Optimism may sometimes be delusional, but pessimism is always delusional.

— Alan Cohen

Scepticism is an ability, or mental attitude, which opposes appearances to judgments in any way whatsoever, with the result that,owing to the equipollence of…

— Sextus Empiricus

“Pessimistic" is a word for "realistic" that optimists use to make themselves feel better (about their unrealisticness).”

— Claire

Pessimism comes from the temperament, optimism from the will.

— Emile Chartier

There's nothing particularly wrong with being more pessimistic than optimistic. Optimism is broad-based, non-detail-oriented thinking; pessimism is detail-oriented thinking.

— David Rakoff

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

— Edmond Rostand

Pessimism is mental disease. It means illness in the person who voices it, and in the society which produces that person.

— Upton Sinclair

“Pessimism n. A philosophy forced upon the convictions of the observer by the disheartening prevalence of the optimist with his scarecrow hope and his…

— Ambrose Bierce

Optimism means better than reality; pessimism means worse than reality. I'm a realist.

— Margaret Atwood