Full Idea
If perception is indirect as well as memory, this means there are two direct objects of awareness between the remembering mind and the original object.
Gist of Idea
If perception and memory are indirect, then two things stand between mind and reality
Source
Jonathan Dancy (Intro to Contemporary Epistemology [1985], 12.2)
Book Reference
Dancy,Jonathan: 'Introduction to Contemporary Epistemology' [Blackwell 1985], p.184