21:4 If the young men be clean, etc: If this cleanness was required of them that were to eat that bread, which was a figure of the bread of life which we receive in the blessed sacrament; how clean ought Christians to be when they approach to our tremendous mysteries. And what reason hath the church of God to admit none to be her ministers to consecrate and daily receive this most pure sacrament, but such as devote themselves to a life of perpetual purity.