How to Read a Book
1. Read worthwhile books. These come in two categories: (A) Books that are in themselves worthwhile. (B) Books that are substandard but influential, nevertheless. I know nothing of "killing time" by reading. As Thoreau said, "You cannot kill time without wounding eternity." Be sensitive to the Holy Spirit as to what books you should read and when. I cannot separate my professional reading from my pleasure reading. However, I will not read books I profoundly disagree with on Sundays, since that is a day of rest (not torment).
2. Always read with a pen or pencil in your hand. Annotation is part of the art of reading. The book should become your own. I underline, make comments, and put notes in the front of the book pointing out important points. I also cross reference important points.
3. Write in the front of the book when you started reading it and when you finished it. This gives you a sense of intellectual history. (Don't ask how many books I have not finished. Some do not deserve to be finished, though.)
4. Recommend books to others on as many topics as you can. Be a walking and talking annotated bibliography.