Deuteronomy 30:9

“And the Lord thy God will make thee plenteous in every work of thine hand, etc.] In every manufacture, trade, or business of life in which they should be employed; the meaning is, that the Lord will greatly bless them in all that they shall set their hands to in a lawful way; so that they shall abound in good things, and have enough and to spare, a redundancy of the good things of life, great plenty of them: in the fruit of thy body; abundance of children: and in the fruit of thy cattle; a large increase of oxen and sheep: and in the fruit of thy land for good; it being by the blessing of God on their labours restored to its former fertility, though now barren through want of inhabitants,…”

“The rejection of Israel and the desolation of the promised inheritance were not to be the end of God’s dispensations. The closing words of the address therefore are words of comfort and promise. Compare marginal reference and Deuteronomy 4:29 ff; 1 Kings 8:46-50. The chastisements of God would lead the nation to repent, and thereupon God would again bless them. Deuteronomy 30:3 Will turn thy captivity - Will change or put an end to thy state of captivity or distress (compare Psalms 14:7; Psalms 85:2; Jeremiah 30:18). The rendering of the Greek version is significant; “the Lord will heal thy sins.” The promises of this and the following verses had no doubt their partial fulfillment in the…”

“For good - Whereas thou did formerly receive these mercies for thy hurt, now thou shalt have them for thy good, thy heart shall be so changed that thou shalt not now abuse them, but employ them to the service of God the giver. Over thee for good - To do thee good; as he did rejoice to destroy thee. Deuteronomy 30:10”

“make thee: Deu 28:4, Deu 28:11-14; Lev 26:4, Lev 26:6, Lev 26:9, Lev 26:10 rejoice over thee: Deu 28:63; Isa 62:5, Isa 65:19; Jer 32:41, Jer 33:9; Zep 3:17; Luk 15:6-10, Luk 15:32; Joh 15:11 Deuteronomy 30:10”