I don't go back to notes because: 1. I have it committed to memory. 2. I never needed it. I have no way to discern whether either (1) or (2) will happen as fa

I don't go back to notes because: 1. I have it committed to memory. 2. I never needed it. I have no way to discern whether either (1) or (2) will happen as far into the future as you care to specify; so it's mostly a moot point. In any case, I will sometimes just do random walks through my notes, wikipedia style, and find a lot of value in it.