Speak unto the children of Israel, and say unto them, When any man has a discharge out of his flesh, because of his discharge he is unclean.
Read Chapter 15
George Leo Haydock
Issue of seed, shall be unclean. These legal uncleannesses were instituted in order to give the people a horror of carnal impurities. (Challoner)
If the gonorrhoea, and the lawful act of marriage, (ver. 16,) and nocturnal delusions, (Deuteronomy xxiii. 10,) induce a kind of uncleanness
surely to imitate Onan is most detestable, Genesis xxviii. 9. (Tirinus)
The Jews rank the latter crime with murder, and so does Tertullian. See Exodus xxi. 22.