Full Idea
Inquiry is not standing upon a bedrock of fact. It is walking up a bog, and can only say, this ground seems to hold for the present. Here I will stay until it begins to give way.
Gist of Idea
Inquiry is not standing on bedrock facts, but standing in hope on a shifting bog
Source
Charles Sanders Peirce (works [1892], CP 5.589), quoted by Gottfried Leibniz - Letter to Newton 4
Book Reference
'New Pragmatists', ed/tr. Misak,Cheryl [OUP 2009], p.83
A Reaction
[I don't know which article this lovely quote comes from]