The spirit of man is the candle of the Lord. — The spirit of man, breathed into him at first by the Creator (Genesis 2:7), and afterwards quickened and illumined by the Divine Spirit, is the “candle of the Lord,” given to man as an inward light and guide.
Searching all the inward parts of the belly. — That is, of the inmost heart of man; testing all his thoughts, feelings, desires, by God’s law, approving some, condemning others, according as they agree with it or not. The word “belly” is equivalent to “heart” or “soul” in Job 15:2; Job 15:15; Job 32:19. (Comp. John 7:38.)