They noticed that some of his disciples were eating their food with hands that were ritually unclean—that is, they had not washed them in the way the Pharisees said people should. (
My union with the Lord Jesus makes me certain that no food is of itself ritually unclean; but if you believe that some food is unclean, then it becomes unclean for you.
For the unbelieving husband is made acceptable to God by being united to his wife, and the unbelieving wife is made acceptable to God by being united to her Christian husband. If this were not so, their children would be like pagan children; but as it is, they are acceptable to God.