8 For having set aside the commandment of God, ye hold the tradition of men: washings of pots and cups and many other such like things ye do.
Mark 7:8 Cross References - ACV
Isaiah 1:12
12 When ye come to appear before me, who has required this at your hand-to trample my courts?
Mark 7:3-4
3 (For the Pharisees, and all the Jews, unless they wash their hands carefully, do not eat, holding the tradition of the elders.
4 And coming from the marketplace, they do not eat unless they bathe. And there are many other things that they have taken in to retain: washings of cups, and pots, and brazen vessels, and beds.)