To a foreigner thou may lend upon interest, but to thy brother thou shall not lend upon interest, that LORD thy God may bless thee in all that thou put thy hand to, in the land where thou go in to possess it.
And this is the manner of the release: Every creditor shall release that which he has lent to his neighbor. He shall not exact it from his neighbor and his brother, because LORD's release has been proclaimed.
When thou shall vow a vow to LORD thy God, thou shall not be slack to pay it. For LORD thy God will surely require it of thee, and it would be sin in thee.