107. It is, then, the Holy Spirit Who has delivered us from that Gentile impurity. For in those kinds of four-footed creatures and wild beasts and birds there was a figure of the condition of man, which appears clothed with the bestial ferocity of wild beasts unless it grows gentle by the sanctification of the Spirit. Excellent, then, is that grace which changes the rage of beasts into the simplicity of the Spirit: “For we also were aforetime foolish, unbelieving, erring, serving divers lusts and pleasures. But now by the renewing of the Spirit we begin to be heirs of Christ, and joint-heirs with the Angels.” Tit. iii. 3–7.