Challenge Quote by Bret Weinstein & Heather Heying

“Skepticism is certainly a beneficial tool, to the extent that it yields a dialectic of ideas that can progress toward empirical resolution of difficult…

— Jaak Panksepp

Skepticism is essential to the quest for knowledge, for it is in the seedbed of puzzlement that genuine inquiry takes root. Without skepticism, we…

— Paul Kurtz

Skepticism is the agent of reason against organized irrationalism--and is therefore one of the keys to human social and civic decency.

— Stephen Jay Gould

There is no skepticism without science and the scientific method. It's about how we know what we know.

— Steven Novella

“It seems to me what is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny of all hypotheses that…

— Carl Sagan

“Simply to acquiesce in skepticism can never suffice to overcome the restlessness of reason.”

— Immanuel Kant

Skepticism is the chastity of the intellect.

— George Santayana

“Without constructive skepticism, without human progress.”

— Pearl Zhu

Skepticism is a discipline fit to purify the mind of prejudice and render it all the more apt, when the time comes, to believe…

— George Santayana

We must be skeptical even of our skepticism.

— Bertrand Russell

I encourage active skepticism - when people are being skeptical because they're trying to identify the best course of action. They're trying to identify…

— Tim Ferriss

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

— Etienne de L'Amour