Matthew 15:19 These are things which defile a man. But to eat with unwashen hands defileth not a man.
Mark 7:2 And when they saw some of his disciples eat bread with defiled (that is to say with unwashen) hands, they found fault.
Mark 7:6 And the Pharisees and scribes asked him, Why walk not thy disciples according to the traditions of the elders, but eat bread with unwashen hands?