Let him who is without sin cast the first stone..

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According to the Gospel of John, the Pharisees, in an attempt to discredit Jesus, brought a woman charged with adultery before him. Then they reminded Jesus that adultery was punishable by stoning under Mosaic law and challenged him to judge the woman so that they might then accuse him of disobeying the law. Jesus thought for a moment and then replied, “He that is without sin among you, let him cast the first stone at her.” The people crowded around him were so touched by their own consciences that they departed. When Jesus found himself alone with the woman, he asked her who were her accusers. She replied, “No man, lord.” Jesus then said, “Neither do I condemn thee: go and sin no more.”