Verse 20. If his heart be not lifted up - He intimates, that the scriptures diligently read, are a powerful means to keep him humble, because they shew him in that, tho' a king, he is subject to an higher monarch, to whom he must give an account of all his administrations, and receive from him his sentence agreeable to their quality, which is sufficient to abate the pride of the haughtiest person in the world.