Deuteronomy 15:6

“For the Lord thy God blesseth thee, as he promised thee, etc.] He is faithful that has promised, and he always gives the blessing he promises according to the nature of the promise; if absolute, and without conditions, he gives it without respect to any; but if conditional, as the promises of temporal good things to Israel were, he gives according as the condition is performed: and thou shalt lend unto many nations, but thou shall not borrow; signifying they should be so rich and increased in goods, and worldly substance, that they should be able to lend to their neighbouring nations round about, but should stand in no need of borrowing of any of them. This is sometimes said of the language…”

“The year of release is no doubt identical with the sabbatical year of the earlier legislation (Exodus 23:10 ff, and Leviticus 25:2 ff), the command of the older legislation being here amplified. The release was probably for the year, not total and final, and had reference only to loans lent because of poverty (compare Deuteronomy 15:4, Deuteronomy 15:7). Yet even so the law was found to be too stringent for the avarice of the people, because it was one of those which the rabbis “made of none effect by their traditions.” Deuteronomy 15:2 Because it is called the Lord’s release - Render, because proclamation has been made of the Lord’s release. The verb is impersonal, and implies (compare…”

“15:6 You will lend money to many nations: An obedient Israel would become an affluent nation able to provide international aid. This bounty would bear testimony to God’s promise to Abraham that his seed would be a blessing to all nations (Gen 12:2-3; 17:4-6; 26:3-4).”

“thou shalt lend: Deu 28:12, Deu 28:44; Psa 37:21, Psa 37:26, Psa 112:5; Pro 22:7; Luk 6:35 thou shalt reign: Deu 28:13; Kg1 4:21, Kg1 4:24; Ch2 9:26; Ezr 4:20; Neh 9:27 Deuteronomy 15:7”