All this I have seen, applying my mind to every deed that is done under the sun; there is a time when one man lords it over another to his own detriment.
Solomon, in the beginning of the chapter, had warned us against having any thing to do with seditious subjects; here, in these verses, he encourages us, in reference to the mischief of tyrannical and oppressive rulers, such as he had complained of before, Ecc 3:16; Ecc 4:1. 1. He had observed many such rulers, Ecc 8:9.
Commenting on Ecclesiastes 8:9-13
All this have I seen,.... Observed, taken notice of, and thoroughly considered; all that is said above, concerning the scarcity of good men and women, the fall of our first parents, the excellency of wisdom, the necessity and advantage of keeping the king's commandment, the time and manner of doing it, the evil consequences that follow an inattention to these things, ignorance of what is...
his own hurt--The tyrannical ruler "hurts" not merely his subjects, but himself; so Rehoboam (1Ki. 12:1-33); but the "time" of "hurt" chiefly refers to eternal ruin, incurred by "wickedness," at "the day of death" (Ecc 8:8), and the "time" of "judgment" (Ecc 8:6; Pro 8:36).