In Leviticus chapter seven, verse twenty, persons who were ceremonially unclean and yet participated in the sacrifices and offerings were subject to the severe judgment of God. During the Old Testament days, the design of this rule taught the people how great an abomination it was for a person to claim to be in a covenantal relationship with God and yet deliberately and knowingly cling to sin.
In the New Testament, some people today participate in the Lord’s supper and knowingly live sinfully. Since this is the plain institution of the Lord’s supper, the form and the manner of administering of it; and since the bread and wine in it are representations of the body and blood of Christ, and the design of the whole is to remember Christ and show forth his death, how are the unclean showing remembrance?
Uncleanness is the condition of contaminating oneself by not abiding by the covenant relationship agreement at the beginning of acceptance. Similar to a marriage relationship. If two people accept vows that bind them together and one manipulates that agreement by knowingly having another relationship, the person becomes unclean. Eventually, the faithful spouse most likely will find out and may cut off the unfaithful. Uncleanness is neither hot nor cold but lukewarm.
Uncleanness to God is sin. He does not associate Himself with it. Revelation three sixteen sums up how God looks at uncleanness: “So then because thou art lukewarm, and neither cold nor hot, I will spue thee out of thy mouth.” A cold cup of coffee or a hot glass of juice does not taste the same, and uncleanness is far worst than both. The remedy is to become clean, confess our faults to God and begin living for Him. After all, the old saying, cleanliness is next to Godliness.