The Devil often transforms himself into an angel to tempt men, some for their instruction, some for their ruin.
Saint AugustineMoreover, from the time when He said, 'Except a man be born of water and of the Spirit, he cannot enter into the kingdom of heaven;' and again, 'He that loseth his life for my sake shall find it; ' no one becomes a member of Christ except it be either by baptism in Christ, or death for Christ.
Saint Augustine