Full Idea
You can first come to know by remembering, as in learning how many windows there were in your childhood home by imagining a tour.
Gist of Idea
You can acquire new knowledge by exploring memories
Source
Bernecker / Dretske (Knowledge:Readings in Cont.Epist [2000], Pt.V Int)
Book Reference
'Knowledge: readings in contemp epistemology', ed/tr. Bernecker/Dretske [OUP 2000], p.434