XVI. A certain philosopher questioned the holy Antony. "How," said he, "dost thou content thyself, Father, who art denied the comfort of books?" He answered, "My book, philosopher, is the nature of created things, and as often as I have a mind to read the words of God, it is at my hand."
By the by, I came randomly on this passage in The Desert Fathers book, just after posting the question below in the post "Dilemma".