Mark 7:2-3, 8

They were shocked to find that some of Jesus’ disciples ate bread without first observing the Jewish ritual of hand washing before eating their meal. (For the Pharisees, like all other Jews, will not eat without first performing a ritual of pouring water over their cupped hands to keep the tradition of the elders.

“You abandon God’s commandments just to keep men’s rituals, such as ceremonially washing utensils, cups, and other things.”