“Skepticism is the first step towards knowledge.” – Denis Diderot

“Skepticism is the highest of duties; blind faith the one unpardonable sin.” – Thomas H. Huxley

“Doubt is the beginning, not the end, of wisdom.” – George Iles

“Inquiry is fatal to certainty.” – Will Durant

“Skepticism is the foundation of civilisation.” – Brian Dunning

“The only defense against the world is a thorough knowledge of it.” – John Locke

“Skepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer.” – George Santayana

“Always be skeptical and question everything, even your own beliefs.” – Dalai Lama

“Skepticism is the antidote to being taken advantage of.” – Michael Shermer “Doubt is not a pleasant condition, but certainty is absurd.” – Voltaire

“The skeptic has no interests of his own, no attachments to defend or nurture; the skeptic merely dedicates himself to truth.” – Michael Shermer

“The only way to be certain of anything is to doubt everything.” – René Descartes

“Skepticism is the agent of reason against reason.” – Paul Kurtz LOOKING AT ME QUOTES

“You don’t have to have all the answers, but you should question everything.” – Neil deGrasse Tyson

“Question everything; skepticism is healthy.” – Tim Minchin

“The truth is not for all men, but only for those who seek it.” – Ayn Rand

“Skepticism: the mark and even the pose of the educated mind.” – John Dewey

“Extreme skepticism is not liberation, but the most terrible captivity.” – George Santayana

“The first principle is that you must not fool yourself, and you are the easiest person to fool.” – Richard P. Feynman

“The essence of the scientific method is doubt, whether you are questioning empirical facts or theoretical assumptions.” – Carl Sagan

“Skepticism is a virtue in history as well as in philosophy.” – Jacques Barzun

“A skeptical attitude is the mark of a rational thinker.” – Michael Shermer

“Doubt is the beginning of wisdom.” – Aristotle

“To be truly knowledgeable, one must be constantly skeptical and willing to question everything.” – Socrates

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