Andreas of Caesarea : Those who seek to imitate the Holy God must be holy themselves. — CATENA Bede : But as he who has called you is holy, etc. This is similar to that in the Gospel: Be ye therefore perfect, as your Heavenly Father is perfect (Matt. 5). — Commentary on the Catholic Epistles Didymus the Blind : Since God, who called us to salvation by the gospel, is holy, those who obey his calling must also become holy in all their thoughts and behavior, especially since he who calls us to this also provides the necessary sanctification himself. — COMMENTARY ON 1 PETER Tertullian : For elsewhere, again, (we read): "Be ye holy, just as He withal was holy " -in the flesh, namely. — On Monogamy