John Gills Exposition of the Bible Commentary - Proverbs 27:19
As in water face answereth to face ,.... As water is as a looking glass, in which a man may behold his own face and another's; or as the face in the water answers to the face of a man, and there is a great likeness between them. All things through water appear greater, as Seneca F13 Nat. Quaest. l. 1. c. 6. observes, and so more clear and plain; so the heart of man to man ; one man's heart may be seen and discerned in some measure by another, as by his countenance; for though, as... read more
Matthew Henry's Complete Commentary - Proverbs 27:19
This shows us that there is a way, 1. Of knowing ourselves. As the water is a looking-glass in which we may see our faces by reflection, so there are mirrors by which the heart of a man is discovered to a man, that is, to himself. Let a man examine his own conscience, his thoughts, affections, and intentions. Let him behold his natural face in the glass of the divine law (Jas. 1:23), and he may discern what kind of man he is and what is his true character, which it will be of great use to... read more