Full Idea
Most of our thought is below the level of consciousness.
Gist of Idea
Most human thought is non-conscious
Source
G Lakoff / M Johnson (Philosophy in the Flesh [1999], 25 'Limited')
A Reaction
It has taken me many years to gradually realise that this is very obviously true. People deny this because they overemphasise precise rationality and language.
Book Reference
Lakoff,G/Johnson,M: 'Philosophy in the Flesh' [Basic Books 1999], p.556