Contradiction with Proverbs 20:9
Proverbs 20:9 questions human purity, whereas Leviticus 8:6 describes ritual washing and purification.
Proverbs 20:9: Who can say, I have made my heart clean, I am pure from my sin?
Contradiction with Isaiah 64:6
Isaiah declares all our righteousness as filthy rags, contrasting with the physical cleansing in Leviticus 8:6.
Isaiah 64:6: But we are all as an unclean [thing], and all our righteousnesses [are] as filthy rags; and we all do fade as a leaf; and our iniquities, like the wind, have taken us away.
Contradiction with Matthew 23:25-26
Jesus criticizes focusing on outward cleanliness rather than inner purity, in contrast to the outward washing in Leviticus 8:6.
Matthew 23:25-26: Woe unto you, scribes and Pharisees, hypocrites! for ye make clean the outside of the cup and of the platter, but within they are full of extortion and excess.
Contradiction with Mark 7:15
Jesus teaches that impurity comes from within, not from unwashed hands, opposing the outward washing in Leviticus 8:6.
Mark 7:15: If any man have ears to hear, let him hear.
Contradiction with Hebrews 10:22
Emphasizes drawing near to God with a clean heart, focusing on internal rather than external washing as in Leviticus 8:6.
Hebrews 10:22: Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.