Certain Quote by George Berkeley

As man reaches out toward the twenty-first century, he will learn to be suspicious of all ideas that are not formulated so that they…

— Jacque Fresco

It was through the feeling of wonder that men now and at first began to philosophize.

— Aristotle

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

— Ambrose Bierce

Skepticism is the first step on the road to philosophy.

— Denis Diderot

By skepticism . . . we arrive first at suspension of judgment, and second at freedom from disturbance.

— Sextus Empiricus

One special advantage of the skeptical attitude of mind is that a man is never vexed to find that after all he has been…

— William Osler

To have doubted one's own first principles is the mark of a civilized man.

— Oliver Wendell Holmes, Jr

All men are, at times, influenced by inexplicable sentiments. Ideas haunt them in spite of all their efforts to discard them. Prepossessions are entertained,…

— Charles Brockden Brown

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

Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and a heretic

— Ludwig Wittgenstein

Setting skepticism aside, even briefly, can make for very interesting explorations. It is not necessary that we change any of our beliefs. It is…

— Julia Cameron

Wisdom and understanding can only become the possession of individual men by travelling the old road of observation, attention, perseverance, and industry.

— Samuel Smiles