Full Idea
The ultimate ground of the quest for cognitive certainty is the need for security in the results for action.
Gist of Idea
We want certainty in order to achieve secure results for action
Source
John Dewey (The Quest for Certainty [1929], p.39), quoted by Erik J. Olsson - Against Coherence 10.5
Book Reference
Olsson,Erik J.: 'Against Coherence' [OUP 2008], p.194
A Reaction
Just what a pragmatist should say. This may be true within an evolutionary account of human nature, but seems unlikely when doing a sudoku. The 'ground' of the quest may not be the same as its 'source'.