The plague — His sin, which may be called the plague of his heart, in opposition to the other plagues here mentioned; so the sense is, who, by their afflictions are brought to a true and serious sense of their worse and inward plague of their sins, which are most fitly called the plague of the heart, because that is both the principal seat of sin, and the fountain from whence all actual sins flow.
Related Commentaries of 1 Kings 8:38
1 Kings 8:38
38 What prayer and supplication soever be made by any man, or by all thy people Israel, which shall know every man the plague of his own heart, and spread forth his hands toward this house: