Doubt Quote by Frederick Charles Copleston

Everyone who observes himself doubting observes a truth, and about that which he observes he is certain; therefore he is certain about a truth.…

— Saint Augustine

“Believe those who are seeking the truth; doubt those who find it; doubt all, but do not doubt yourself.”

— André Gide

"Belief in the truth commences with the doubting of all those "truths" we once believed."

— Friedrich Nietzsche

“Trust those who seek the truth but doubt those who say they have found it.”

— André Gide

“Doubt serves as a stimulus to the understanding for the investigation of truth.”

— Mary of Agreda

“Cherish your doubts, for doubt is the handmaiden of truth. Doubt is the key to the door of knowledge; it is the servant of…

— Robert T. Weston

“Never create doubt in a person. Doubts have the habit of hanging around even if the original cause is over. Doubt never wants to…

— Bangambiki Habyarimana

“By doubting we come to enquiry, and through enquiry we perceive truth.”

— Peter Abelard

“By doubting we are led to enquiry, and by enquiry we discern the truth.”

— Peter Abelard

“Doubt and fear are the great enemies of knowledge, and he who encourages them, who does not slay them, thwarts himself at every step.”

— James Allen

“No one can know a false thing, one can only believe it with certainty until it is contradicted. (Page 7)”

— Orson Scott Card

Doubt is the freedom of thought. Any claim to truth can be doubted.

— Alfred de Vigny