John Gills Exposition of the Bible Commentary - Isaiah 1:16
Wash ye, make you clean, &c.; These two words are to be regarded as one, since they intend the same thing, and suppose the persons spoken to to be unclean, as they were, notwithstanding their legal sacrifices and ceremonial ablutions; and are designed to convince them of it, to bring them to a sense of their inability to cleanse themselves, to lead them to inquire after the proper means of it, and so to the fountain of Christ's blood to wash in, which only cleanses from it: put away... read more
Matthew Henry's Complete Commentary - Isaiah 1:16-20
Though God had rejected their services as insufficient to atone for their sins while they persisted in them, yet he does not reject them as in a hopeless condition, but here calls upon them to forsake their sins, which hindered the acceptance of their services, and then all would be well. Let them not say that God picked quarrels with them; no, he proposes a method of reconciliation. Observe here, I. A call to repentance and reformation: ?If you would have your sacrifices accepted, and your... read more