Do not let yourself be tainted with a barren skepticism.
Louis Pasteur

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.
Bertrand Russell

Education has failed in a very serious way to convey the most important lesson science can teach: skepticism.
David Suzuki

I'd say there was a fair amount of skepticism at the time about whether the Internet held any promise. And of course I felt that it did.
Jim Clark

I'm the most cynical person, and I know what that sounds like when you say, I don't drink and drive, and I don't. But I know people look at that with skepticism, and I understand.
Tracey Gold

I've encountered a lot of people who sound like critics but very few who have substantive criticisms. There is a lot of skepticism, but it seems to be more a matter of inertia than it is of people having some real reason for thinking something else.
K. Eric Drexler

Investors should start with a view of skepticism. They should become intellectual investors rather than emotional investors. They should be careful, and they should be skeptical.
Arthur Levitt

It is evident that skepticism, while it makes no actual change in man, always makes him feel better.
Ambrose Bierce

It is the press that has taken these charges and accusations and blown them up without any kind of skepticism whatsoever - blown them into realities and treated them as if they were true.
Dixie Lee Ray

Its attitude, which it has preached and practiced, is skepticism. Now, it finds, the public is applying that skepticism to the press.
Thomas Griffith

Large skepticism leads to large understanding. Small skepticism leads to small understanding. No skepticism leads to no understanding.
Xi Zhi

My position now, especially in this town, adds an element of skepticism with people you meet - especially girls. I mean, it becomes a lot more difficult.
Jason Biggs

On the road from the City of Skepticism, I had to pass through the Valley of Ambiguity.
Adam Smith

People have moved beyond apathy, beyond skepticism into deep cynicism.
Elliot Richardson

She believed in nothing; only her skepticism kept her from being an atheist.
Jean-Paul Sartre

Skepticism has never founded empires, established principals, or changed the world's heart. The great doers in history have always been people of faith.
Edwin Hubbel Chapin

Skepticism is a virtue in history as well as in philosophy.
Napoleon Bonaparte

Skepticism is an important historical tool. It is the starting point of all revision of hitherto accepted history.
Samuel E. Morison

Skepticism is the first step on the road to philosophy.
Denis Diderot

Skepticism is the sadism of embittered souls.
Emile M. Cioran