“In one of the rooms of the Fortuny Palace there are eight books from Prospero's Library. They are magical books. In many senses all books are magical.”

42 min 33 sec
Variant: A book is proof that humans are capable of working magic.
Source: Cosmos: A Personal Voyage (1990 Update), The Persistence of Memory [Episode 11]
Context: What an astonishing thing a book is. It's a flat object made from a tree with flexible parts on which are imprinted lots of funny dark squiggles. But one glance at it and you're inside the mind of another person, maybe somebody dead for thousands of years. Across the millennia, an author is speaking clearly and silently inside your head, directly to you. Writing is perhaps the greatest of human inventions, binding together people who never knew each other, citizens of distant epochs. Books break the shackles of time. A book is proof that humans are capable of working magic.

Source: We Were Liars

Source: Self-Help

Source: Dreamtigers

1840s, Heroes and Hero-Worship (1840), The Hero as Man of Letters

Source: Fahrenheit 451

Variant: You can find magic
wherever you look.
Sit back and relax,
all you need is a book.
Source: The Cat in the Hat

Vol. I, ch. 11
Lady Holland's Memoir (1855)