Doubt Quote by James Martineau

“Moral scepticism can no more be refuted or proved by logic than intellectual scepticism can. When we stick to it that there is truth…

— William James

The conduct of a man, who studies philosophy in this careless manner, is more truly sceptical than that of any one, who feeling inhimself…

— David Hume

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

Among the many inconsistencies which folly produces or infirmity suffers in the human mind, there has often been observed a manifest and striking contrariety…

— Samuel Johnson

Nothing can be more unphilosophical than to be positive or dogmatical on any subject; and even if excessive scepticism could be maintained it would…

— David Hume

“The idea so commonly found that scepticism leads to toleration arises from considering the effects of scepticism in the intellectual who takes no active…

— Bertrand De Jouvenel

I am not very sceptical, — a frame of mind which I believe to be injurious to the progress of science. A good deal…

— Charles Darwin

Scepticism commonly takes up the room left by defect of imagination, and is the very quality of mind most likely to seek for sensual…

— James Russell Lowell

Nothing fortifies scepticism more than that there are some who are not sceptics; if all were so, they would be wrong.

— Blaise Pascal

Nothing fortifies scepticism more than the fact that there are some who are not sceptics; if all were so, they would be wrong.

— Blaise Pascal

“Scepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer: there is nobility…

— George Santayana

One special advantage of the skeptical attitude of mind is that a man is never vexed to find that after all he has been…

— William Osler