所出產的書籍，是憑藉著聖經而變得有力
透過印刷使徒工作而出產的書籍、期刊及所有的印刷品，都是憑藉著聖經而變得有力……它們越是吸取、遵循、依據、引述、應用及忠於聖經，特别是福音，就越有效力。（AE, 165） Through the press apostolate, books, periodicals, and other publications acquire effectiveness in virtue of the Bible… The more they draw from, adhere to, depend on, reproduce, show devotion […]