Mark 7:23

“All these evil things come from within, etc..] All evil thoughts, words, and actions, take their rise from the inward parts of man; from his heart; which is sadly corrupted, and is the fountain from whence all these impure streams flow. And if these come from within, then not from without; they are not by imitation or are the mere effects of example in others: example may indeed, and often does, draw out the evil that is within; but it does not produce it there; if it was not there before, it could not draw it out from thence: and if all these evils come from within, then the inward part of man must be sinful and polluted, previous to the commission of these evil things; and from whence…”

“See this passage explained in the notes at Matthew 15:1-20. Mark 7:1 Came from Jerusalem - Probably to observe his conduct, and to find matter of accusation against him. Mark 7:2 Defiled hands - The hands were considered defiled or polluted unless they were washed previous to every meal. Mark 7:3 Except they wash their hands oft - Our word “oft” means frequently, often. The Greek wore translated oft has been rendered various ways. Some have said that it means “up to the wrist” - unless they wash their hands up to the wrist. Others have said up to the elbow.” There is evidence that the Pharisees had some such foolish rule as this about washing, and it is likely that they practiced it…”

“defile: Mar 7:15, Mar 7:18; Co1 3:17; Tit 1:15; Jde 1:8 Mark 7:24”