John Gills Exposition of the Bible Commentary - Proverbs 14:30
A sound heart is the life of the flesh ,.... A heart made so by the grace of God, in which are sound principles of truth, righteousness, and holiness; these preserve from sin, and so from many diseases; whereby the life of the flesh or body is kept safe and sound, or that is kept in health and vigour; or a "quiet heart" F8 לב מרפא "cor leve", Baynus; "cor lene", Mercerus; "cor lenitatis", Gejerus, so Ben Melech. ; a heart free from wrath, anger, and envy, and such like passions... read more
Matthew Henry's Complete Commentary - Proverbs 14:30
The foregoing verse showed how much our reputation, this how much our health, depends on the good government of our passions and the preserving of the temper of the mind. 1. A healing spirit, made up of love and meekness, a hearty, friendly, cheerful disposition, is the life of the flesh; it contributes to a good constitution of body; people grow fat with good humour. 2. A fretful, envious, discontented spirit, is its own punishment; it consumes the flesh, preys upon the animal spirits, makes... read more