I used it as a Grad. If you follow these few simple rules, you'll do fine in the course. If you don't need any sleep, you'll do fine in the course. The gist of what the author is saying is what's most important. I don't understand the details either.
Various authorities agree that . . .
My hunch is that . . . The answer to your question is beyond the scope of this class. I don't know. You'll have to see me during my office hours for a thorough answer to your question. I don't know.