The absent-minded professor There are three variants of procrastination, depending on what you do instead of working on something: you could work on (a) nothing, (b) something less important, or (c) something more important. That last type, I'd argue, is good procrastination. That's the "absent-minded professor," who forgets to shave, or eat, or even perhaps look where he's going while he's thinking about some interesting question. His mind is absent from the everyday world because it's hard at work in another. Paul Graham, Good and bad procrastination procrastinationproductivity
The case for rereading An Article by Mandy Brown aworkinglibrary.com Reread a book enough times, or often enough—keep it at hand so you can flip to dog-eared pages and marked up passages here and there—and it will eventually root itself in your mind. It becomes both a reference point and a connector, a means of gathering your knowledge and experience, drawing it all together. It becomes the material through which you engage with the world. readingunderstandingconnection