Doubt Quote by Nassim Nicholas Taleb

All that belongs to human understanding, in this deep ignorance and obscurity, is to be sceptical, or at least cautious, and not to admit…

— David Hume

“probability is principally a branch of applied skepticism,”

— Nassim Nicholas Taleb

“a skeptic's mantra is "extraordinary beliefs require extraordinary evidence.”

— Anonymous

“Nothing strengthens the case for scepticism more than the fact that there are people who are not sceptics. If they all were, they would…

— Blaise Pascal

“Don’t believe the skeptics. Rather, be skeptical of their skepticism.”

— Craig D. Lounsbrough

In our reasonings concerning matter of fact, there are all imaginable degrees of assurance, from the highest certainty to the lowest species of moral…

— David Hume

“No scientific theory can claim absolutely certainty.”

— David Christian

“Sceptic, mathematician, Christian; doubt, affirmation, submission.”

— Blaise Pascal

“The shadow of scepticism is dispelled in the light of real knowledge.”

— Etienne de L'Amour

“We invite skepticism. In fact, we require it. It is an essential mechanism for challenging ideas, identifying errors, and furthering collective knowledge.”

— Bret Weinstein & Heather Heying

“Defeasible beliefs provide the provisional certainty necessary to navigate an uncertain world.”

— John Brockman

The belief in a certain idea gives to the researcher the support for his work. Without this belief he would be lost in a…

— Konrad Zuse