Job 31:8

“[Then] let me sow, and another eat, etc.] If what he had before said was not true; but he had turned out of the way of righteousness, and walked after the sight of his eyes, and the mammon of unrighteousness cleaved to his hands; then he wishes might sow his fields, and another enjoy the increase of them, which is one of God’s judgments threatened unto the wicked and disobedient, (<032616>Leviticus 26:16) (<052833>Deuteronomy 28:33); let my offspring be rooted out; but Job had no offspring or children at this time to be rooted out or destroyed; they were all destroyed already; some think therefore that this imprecation was made by him in the time of his prosperity, though here repeated as it…”

“Apodosis to Job 31:5, Job 31:7; the curses which he imprecates on himself, if he had done these things (Lev 26:16; Amo 9:14; Psa 128:2). offspring--rather, "what I plant," my harvests.”

“Then let me sow, and let another eat - This is the imprecation which he invokes, in case he had been guilty in this respect. He consented to sow his fields, and let others enjoy the harvest. The expression used here is common in the Scriptures to denote insecurity of property or calamity in general; see Leviticus 26:16 : “And ye shall sow your seed in vain, for your enemies shall eat it;” compare Deuteronomy 28:30; Amos 9:13-14. Yea, let my offspring be rooted out - Or, rather, “Let what I plant be rooted up.” So Umbreit, Noyes, Schultens, Rosenmuller, Herder, and Lee understand it. There is no evidence that he here alludes to his children, for the connection does not demand it, nor does the…”

“Increase - All my plants, and fruits, and improvements. Job 31:10”

“let me: Job 5:5, Job 24:6; Lev 26:16; Deu 28:30-33, Deu 28:38, Deu 28:51; Jdg 6:3-6; Mic 6:15 let my: Job 5:4, Job 15:30, Job 18:19; Psa 109:13 Job 31:9”