Deuteronomy 15:3
"Of a foreigner thou mayest exact it again: but that which is thine with thy brother thine hand shall release;"
Cross References (ranked by relevance)
Deuteronomy 23:20
Unto a stranger thou mayest lend upon usury; but unto thy brother thou shalt not lend upon usury: that the LORD thy God may bless thee in all that thou settest thine hand to in the land whither thou goest to possess it.
John 8:35
And the servant abideth not in the house for ever: but the Son abideth ever.
Exodus 22:25
If thou lend money to any of my people that is poor by thee, thou shalt not be to him as an usurer, neither shalt thou lay upon him usury.
Galatians 6:10
As we have therefore opportunity, let us do good unto all men, especially unto them who are of the household of faith.