Matthew 15:3 - Matthew Poole's English Annotations on the Holy Bible

Mark hath the same, Mark 7:9, though a little out of the order in which Matthew hath it: Full well ye reject the commandment of God, that ye may keep your own tradition. Our Saviour could have answered them, had he pleased, more strictly to their questions, but he must then either have incurred danger or odium; he therefore chooseth to answer them by another question, which struck at the root of the matter. Admit, saith he, my disciples culpable in not observing traditions, which indeed you call the traditions of the elders, but are your own, devised by you, or some like you, merely to uphold your power and authority, and to keep people in a needless subjection to you: I am sure you are far more guilty, in making traditions contrary to the law of God, or rejecting God's law to keep your traditions. And indeed this is the common guilt of those who are great zealots for traditions and rites, not commanded in the word of God. The Jewish Rabbi Jose saith, He sinneth as much who eateth with unwashen hands, as he that lieth with an harlot. The papists make it a greater sin for a priest to marry than to keep a concubine, and commit fornication; they make it a lesser transgression than to eat meat on a Friday.