Miguel de Unamuno Quotes about Doubt

True science teaches, above all, to doubt and be ignorant.

Science, Doubt, Ignorant

The Tragic Sense of Life Ch. V

Faith which does not doubt is dead faith.

Inspirational, Faith, Doubt

"The Agony of Christianity". Book by Miguel de Unamuno, 1931.

The supreme triumph of reason is to cast doubt upon its own validity.

Doubt, Triumph, Reason

Miguel de Unamuno (2012). “Tragic Sense of Life”, p.104, Courier Corporation

Life is doubt, and faith without doubt is nothing but death.

Life, Faith, Doubt

"Salmo II" (1907)