We must, then, apply the principle of Doubt to…

The method of doubt must be applied to civilization; we must doubt its necessity, its excellence, and its permanence.

— Charles Fourier

The great experimental principle, then, is doubt, that philosophic doubt which leaves to the mind its freedom and initiative, and from which the virtues…

— Claude Bernard

To the present writer a careful study of the facts now available seems to leave no doubt that civilization was born at the southeast…

— James Henry Breasted

Only the most deluded of us could doubt the necessity of this war.

— John McCain

Doubt is a necessity of the mind, faith of the heart.

— Comtesse Diane

“Permanence is an illusion.”

— Brian Rathbone

“I, too, had set out to be remembered. I had wanted to create something permanent in my life- some proof that everything in its…

— Susan Orlean

Even the existence of this corporeal element, low as it in reality is, because it is the source of death and all evils, is…

— Maimonides

“ The illusion of permanence”

— I Ching

“To recklessly excuse a failure is to believe that I’ve effectively erased it from the story of my life, when I’ve actually imprinted it…

— Craig D. Lounsbrough

“if you repeat a temporary answer often enough, it acquires a degree of permanency.”

— Larry McMurtry

A building is akin to dogma; it is insolent, like dogma. Whether or no it is permanent, it claims permanence, like a dogma. People…

— Gilbert K. Chesterton

Science has sometimes been said to be opposed to faith, and inconsistent with it. But all science, in fact, rests on a basis of…

— Tryon Edwards

It is merely the egoism of the man, who wants to bury a woman like a treasure. All attempts at using vows, contracts, and…

— Leopold von Sacher-Masoch

Nearly all the writing of our time is likely to disappear in a hundred years. Certainly most readers - and nearly all critics -…

— Michael Dirda