“Half the interest of a garden is the constant exercise of the imagination.”

“Writing is a constant exercise in longing.”

“Reason is intelligence taking exercise. Imagination is intelligence with an erection.”

“Imagination is like muscle. If you don't exercise it, it shrinks.”

“...Isn't it splendid to think of all the things there are to find out about? It just makes me feel glad to be alive--it's such an interesting world. It wouldn't be half so interesting if we knew all about everything, would it? There'd be no scope for imagination then, would there?”

“From every book invisible threads reach out to other books; and as the mind comes to use and control those threads the whole panorama of the world's life, past and present, becomes constantly more varied and interesting, while at the same time the mind's own powers of reflection and judgment are exercised and strengthened.”