Treasury of Scripture Knowledge
Unto a stranger thou may lend upon usury, but unto thy brother thou shalt not lend upon usury that the LORD thy God may bless thee in all the work of thy hands upon the land which thou doest enter in to inherit.
If thou should lend money to my people, to the poor who is with thee, thou shalt not be to him as a usurer, neither shalt thou lay upon him usury.
He said, Yes. And when he was come into the house, Jesus spoke unto him first, saying, What thinkest thou, Simon? of whom do the kings of the earth take custom or tribute? of their own sons or of strangers?
And the slave does not abide in the house for ever, but the Son abides for ever.
1 Corinthians 6:6
But brother goes to judgment against brother, and that before the unbelievers.
Therefore as long as we have the opportunity, let us do good unto everyone, especially unto those who are of the household of faith.