A thing is not proved just because no one has ever questioned it. What has never been gone into impartially has never… — Denis Diderot Copy Share Image
“He gave the impression that he believed in things. We did too—it was just that we wanted to believe in our own… — Julian Barnes Copy Share Image
The scepticism which men affect towards their higher inspirations is often not an honest doubt, but a guilty negligence, and is a… — James Martineau Copy Share Image
Scepticism commonly takes up the room left by defect of imagination, and is the very quality of mind most likely to seek… — James Russell Lowell Copy Share Image
A truth now and then projecting into the ocean of newspaper lies serves like headlands to correct our course. Indeed, my scepticism… — Thomas Jefferson Copy Share Image
Before the 3rd century you're having several philosophical schools still as a going concern. You have not only the Platonists and the… — Peter Adamson Copy Share Image
I am not very sceptical, — a frame of mind which I believe to be injurious to the progress of science. A… — Charles Darwin Copy Share Image
Nothing can be more unphilosophical than to be positive or dogmatical on any subject; and even if excessive scepticism could be maintained… — David Hume Copy Share Image
In the way that scepticism is sometimes applied to issues of public concern, there is a tendency to belittle, to condescend, to… — Carl Sagan Copy Share Image
Never trust anyone who has no doubts. And I'm not talking about scepticism either: scepticism can be a healthy thing. You can… — Billy Bragg Copy Share Image
“And here is the point, about myself and my co-thinkers. Our belief is not a belief. Our principles are not a faith.… — Christopher Hitchens Copy Share Image
“The nay-sayers insist loudly that they're "climate sceptics", but this is a calculated misnomer – scientific scepticism is the method of investigating… — David Robert Grimes Copy Share Image
“The terrible error in the course of human civilization is undoubtedly the defective judgment that allowed religious authorities usurp the foundation of… — Adebowale Babatunde Ojowuro Copy Share Image
Colour, Figure, Motion, Extension and the like, considered only so many Sensations in the Mind, are perfectly known, there being nothing in… — George Berkeley Copy Share Image
“In the controversy that followed the prince's remarks, his most staunch defender was professor John Taylor, a scholar whose work I had… — Christopher Hitchens Copy Share Image
“The business of scepticism is to be dangerous. Scepticism challenges established institutions. If we teach everybody, including, say, high school students, habits… — Carl Sagan Copy Share Image
“There is in all of us a spirit of scepticism which remains with us all our lives. Our most treasured beliefs dwell… — Claude Houghton Copy Share Image
