Best collection of quotes about doubt,doubt fire,doubt on,doubts,gwen,have no doubt,beyond doubt,without doubt.
Doubt
Doubts are the ants in the pants of faith. They keep it awake and moving.
-Frederick Buechner

There is something pagan in me that I cannot shake off. In short,I deny nothing,but doubt everything.
-Lord (George Gordon) Byron

Freedom of speech and freedom of action are meaningless without freedom to think. And there is no freedom of thought without doubt.
-Bergen Evans

"It is reserved for man alone to find his very existence questionable,to experience the whole dubiousness of being. More than such faculties as power of speech,conceptual thinking,or walking erect,this factor of doubting the significance of his own existence is what sets man apart from animal."
-Victor Frankl,The Doctor and the Soul (New York: Alfred A. Knopf),1960

"To have doubted one's own first principles is the mark of a civilized man."
-Oliver Wendell Holmes,The Mind and Faith of Justice Holmes

"There is much honest doubt that should be encouraged. History,for instance,is literally patched together by doubt. There could be no progress without it. Galileo doubted that the Earth stood still. Copernicus doubted that the Earth was the center of the universe. Columbus doubted that it was flat. Newton doubted that nature was erratic,and Einstein doubted that the Earth was fixed."
-Larry Jones,How To Make It To Friday

To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection.
-Henri Poincare

"When unhappy,one doubts everything; when happy,one doubts nothing."
-Joseph Roux,Meditations of a Parish Priest

The whole problem with the world is that fools and fanatics are always so certain of themselves,but wiser people so full of doubts.
-Bertrand Russell

"Our doubts are traitors and make us lose the good we oft might win by fearing to attempt."
-William Shakespeare,"Measure for Measure",Act 1 scene 4

"The doubt of an earnest,thoughtful,patient and laborious mind is worthy of respect. In such doubt may be found indeed more faith than in half the creeds."
-John Lancaster Spalding,Means and Ends of Education

The torch of doubt and chaos is what the sage steers by.
-Chuang Tzu

Doubt is uncomfortable,certainty is ridiculous.
-Voltaire (François-Marie Arouet)