Tertullian

“ When, however, he exhorts us to the imitation of his own example, of course, in showing what he does wish us to be; that is, continent; he equally declares what he does not wish us to be, that is, incontinent. ”

“ In granting indulgence, he alleges the advice of a prudent man; in enjoining continence, he affirms the advice of the Holy Spirit. Follow the admonition which has divinity for its patron. It is true that believers likewise “have the Spirit of God;” but not all believers are apostles. ”