From A Chinese Garden of Serenity (1959), by Hung Tzu-ch’eng, translated by Chao Tze-chiang:

Most people can read a book with words but not one without words, and they can play a lyre with strings but not one without strings. How can they derive tranquil pleasure from a book or a lyre, when they exercise their intelligence only on the material, but not on the spiritual, aspect of things?