Matthew 15:20

“These are the things which defile a man, etc.] These are filthy in themselves, and must pollute all in whom they are; they bring a defilement on the whole man, both body and soul, fasten guilt upon him, and expose him to everlasting punishment: but to eat with unwashen hands defileth not a man: should a man neglect to wash his bands before eating a common meal, this need give him no uneasiness; he contracts no filth to his soul hereby, nor any guilt to his conscience; nor does he break any law of God; nor is he liable to any penalty for such an omission. This is a trifling matter, and merits no regard; but the things before mentioned are in their nature evil: they are contrary to the law of…”

“These are the things which defile a man: but to eat with unwashen hands defileth not a man--Thus does our Lord sum up this whole searching discourse.”

“See also Mark 7:17-23. Then answered Peter, and said unto him, Declare unto us this parable - See the notes at Matthew 13:3. The word “parable” sometimes means a dark or obscure saying, Psalms 78:2. Peter meant, “Explain to us more fully this obscure and novel doctrine.” To us, now, it is plain; to the disciples, just coming out of Judaism, the doctrine of Jesus was obscure. Mark says that the disciples asked him. There is no contradiction. The question was put by Peter in the name of the disciples; or several of them put the question, though Matthew has mentioned only one. An omission is not a contradiction. Matthew 15:16 Are ye also yet without understanding? - Jesus appeals, in explaining…”

“which: Co1 3:16, Co1 3:17, Co1 6:9-11, Co1 6:18-20; Eph 5:3-6; Rev 21:8, Rev 21:27 but: Mat 15:2, Mat 23:25, Mat 23:26; Mar 7:3, Mar 7:4; Luk 11:38-40 Matthew 15:21”