Full Idea
Many errors can flow from the belief that the only perceptions in the soul are the ones of which it is aware.
Gist of Idea
It is a serious mistake to think that we are aware of all of our perceptions
Source
Gottfried Leibniz (New Essays on Human Understanding [1704], 2.01)
Book Reference
Leibniz,Gottfried: 'New Essays on Human Understanding', ed/tr. Remnant/Bennett [CUP 1996], p.116
A Reaction
What a perceptive remark, for its time! I took it that it was only modern neuroscience and psychology which had woken us up to how much non-conscious activity is central to the mind.