But you may ask, why is writing necessary? Well, the physical act of writing, with your own hand, brings words, and sentences more sharply before your mind and proseryes them better in your memory. To set down your reaction to important words and sentences you have read, and the questions they have raised in your mind, is to preserve those reactions and sharpen those questions.
Even if you wrote on a scratch pad, and threw timpaper away when you had finished writing, your grasp of the book would be surer. But you don’t have to throw the paper away. The margins （top and bottom, as welt as side), the end-papers the wary space between the lines. are all available. They aren’t sacrea. And, best of all, your marks and notes be an integral part of the book and stay there forever. You can pick up the book the following week of year, an