John Gills Exposition of the Bible Commentary - Proverbs 20:9
Who can say, I have made my heart clean ,.... The heart of than is naturally unclean, the mind, conscience, understanding, will, and affections; there is no part clean, all are defiled with sin; and though there is such a thing as a pure or clean heart, yet not as made so by men; it is God that has made the heart, that can only make it clean, or create a clean heart in men; it is not to be done by themselves, or by anything that they can do; it is done only by the grace of God, and blood of... read more
Matthew Henry's Complete Commentary - Proverbs 20:9
This question is not only a challenge to any man in the world to prove himself sinless, whatever he pretends, but a lamentation of the corruption of mankind, even that which remains in the best. Alas! Who can say, ?I am sinless?? Observe, 1. Who the persons are that are excluded from these pretensions?all, one as well as another. Here, in this imperfect state, no person whatsoever can pretend to be without sin. Adam could say so in innocency, and saints can say so in heaven, but none in this... read more