Ulangan 23:20

23:20 You may lend with interest to a foreigner, but not to your fellow Israelite; if you keep this command the Lord your God will bless you in all you undertake in the land you are about to enter to possess.

Ulangan 28:12

28:12 The Lord will open for you his good treasure house, the heavens, to give you rain for the land in its season and to bless all you do; ¹  you will lend to many nations but you will not borrow from any.

[28:12]  ¹ tn Heb “all the work of your hands.”