“Feed your head" means read a book.”

“The great book for you is the book that has the most to say to you at the moment when you are reading. I do not mean the book that is most instructive, but the book that feeds your spirit. And that depends on your age, your experience, your psychological and spiritual need.”

“If you are reading in order to become a better reader, you cannot read just any book or article. You will not improve as a reader if all you read are books that are well within your capacity. You must tackle books that are beyond you, or, as we have said, books that are over your head. Only books of that sort will make you stretch your mind. And unless you stretch, you will not learn.”

“Remember what the Dormouse said, Feed Your Head!”

“Spend 80 percent of your time on books and 20 percent on articles and newspapers. And by books, I don’t mean just any book. I mean hardcovers. A paperback is made to be read. A hardcover is made to be studied. There’s a huge difference.”

“Until we see each other again, keep your head together, read some good books, be useful, be happy.”