Doubt is the key to the door of knowledge; it is the servant of discovery.
A belief which may not be questioned binds us to error, for there is incompleteness and imperfection in every belief.
Let no one fear for the truth, that doubt may consume it; for doubt is a testing of belief.
For truth, if it be truth, arises from each testing stronger, more secure.
Those that would silence doubt are filled with fear; their houses are built on shifting sands.
But those who fear not doubt, and know its use, are founded on rock.
They shall walk in the light of growing knowledge.
Therefore let us not fear doubt, but let us rejoice in its help.
It is to the wise as a staff to the blind; doubt is the attendant of truth.
--Responsive reading by Robert T. Weston in Singing the Living Tradition