Deep into that darkness peering, long I stood there, wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before. Edgar Allan Poe
I forbid you, agnostic, doubting thoughts, to destroy the house of my faith. Thomas S. Monson
I am content with nothing, restless and ambitious... and I despise myself for the vanity, which formed half the stimulus to my exertions. Oh would that I were one of those plodding wise fools who having once set their hand to the plough go on nothing doubting. Thomas Huxley
The key to wisdom is this - constant and frequent questioning, for by doubting we are led to question and by questioning we arrive at the truth. Peter Abelard
It is by doubting that we come to investigate, and by investigating that we recognize the truth. Peter Abelard
