Deuteronomy 15:3

You may require repayment from a foreigner, but whatever of yours is with your brother [Israelite] your hand shall release.

Deuteronomy 23:20

You may charge interest to a foreigner, but to your fellow Israelite you shall not charge interest, so that the Lord your God may bless you in all that you undertake in the land which you are about to enter to possess.

Exodus 22:25

“If you lend money to any one of My people with you who is poor, you shall not act as a creditor (professional moneylender) to him; you shall not charge him interest.

Matthew 17:25-26

Peter answered, “Yes.” And when he came home, Jesus spoke to him first, saying, “What do you think, Simon? From whom do earthly rulers collect duties or taxes, from their sons or from strangers?”

John 8:35

Now the slave does not remain in a household forever; the son [of the master] does remain forever.

1 Corinthians 6:6-7

but instead, brother goes to law against brother, and that before [judges who are] unbelievers?

Galatians 6:10

So then, while we [as individual believers] have the opportunity, let us do good to all people [not only being helpful, but also doing that which promotes their spiritual well-being], and especially [be a blessing] to those of the household of faith (born-again believers).

Treasury of Scripture Knowledge

Summary

Of a foreigner thou mayest exact it again: but that which is thine with thy brother thine hand shall release;

Bible References

General references

Deuteronomy 23:20
You may charge interest to a foreigner, but to your fellow Israelite you shall not charge interest, so that the Lord your God may bless you in all that you undertake in the land which you are about to enter to possess.
Exodus 22:25
“If you lend money to any one of My people with you who is poor, you shall not act as a creditor (professional moneylender) to him; you shall not charge him interest.
Matthew 17:25
Peter answered, “Yes.” And when he came home, Jesus spoke to him first, saying, “What do you think, Simon? From whom do earthly rulers collect duties or taxes, from their sons or from strangers?”
John 8:35
Now the slave does not remain in a household forever; the son [of the master] does remain forever.
1 Corinthians 6:6
but instead, brother goes to law against brother, and that before [judges who are] unbelievers?
Galatians 6:10
So then, while we [as individual believers] have the opportunity, let us do good to all people [not only being helpful, but also doing that which promotes their spiritual well-being], and especially [be a blessing] to those of the household of faith (born-again believers).