8:9-13 Solomon observed, that many a time one man rules over another to his hurt, and that prosperity hardens them in their wickedness. Sinners herein deceive themselves. Vengeance comes slowly, but it comes surely. A good man's days have some substance; he lives to a good purpose: a wicked man's days are all as a shadow, empty and worthless. Let us pray that we may view eternal things as near, real, and all-important.

11. The reason why the wicked persevere in sin: God's delay in judgment (Mt 24:48-51; 2Pe 3:8, 9). "They see not the smoke of the pit, therefore they dread not the fire" [South], (Ps 55:19). Joab's escape from the punishment of his murder of Abner, so far from "leading him to repentance," as it ought (Ro 2:4), led him to the additional murder of Amasa.