Matthew 15:13

“But he answered, and said, etc.] As being unconcerned at their rage, and having nothing to fear from them; and being well satisfied, that what he had said was right, and would produce proper effects, he gave his disciples this for answer: every plant which my heavenly Father hath not planted, shall be rooted up; which may be understood either of things, or of persons: it may have regard to doctrines and ordinances; and the meaning be, that whatever doctrine is not delivered by God, or whatever ordinance is not instituted by him; whatever is not of heaven, but of man, of man’s devising, and of human imposition, as the traditions of the elders, must be opposed and rejected; and sooner or later…”

“But he answered and said, Every plant, which my heavenly Father hath not planted, shall be rooted up--They are offended, are they? Heed it not: their corrupt teaching is already doomed: the garden of the Lord upon earth, too long cumbered with their presence, shall yet be purged of them and their accursed system: yea, and whatsoever is not of the planting of My heavenly Father, the great Husbandman (Joh 15:1), shall share the same fate.”

“See also Mark 7:15-17. And he called the multitude - In opposition to the doctrines of the Pharisees, the Saviour took occasion to show them that the great source of pollution was the heart. They supposed that external things chiefly defiled a man. On this all their doctrines about purification were founded. This opinion of the Jews it was of great importance to correct. The Saviour took occasion, therefore, to direct the people to the true source of defilement - their own hearts. He particularly directed them to it as of importance - “Hear and understand.” Matthew 15:11 Not that which goeth into the mouth ... - The disciples were charged with being sinners for transgressing the tradition of…”

“Every plant - That is, every doctrine. Matthew 15:14”

“15:13 not planted by my heavenly Father: These Pharisees did not belong to the true people of God (see 3:9-12; Isa 5:1-7; Jer 45:4). They will be uprooted at the final judgment (see Matt 3:10; 8:12).”

“Every: Mat 13:40, Mat 13:41; Psa 92:13; Isa 60:21; Joh 15:2, Joh 15:6; Co1 3:12-15 Matthew 15:14”