Matthew 7:12

Everything, therefore, be it what it may, that you would have men do to you, do you also the same to them; for in this the Law and the Prophets are summed up.

1 Thessalonians 4:6

and that in this matter there be no encroaching on the rights of a brother Christian and no overreaching him. For the Lord is an avenger in all such cases, as we have already taught you and solemnly warned you.

Treasury of Scripture Knowledge

Summary

And if thy brother be not nigh unto thee, or if thou know him not, then thou shalt bring it unto thine own house, and it shall be with thee until thy brother seek after it, and thou shalt restore it to him again.

Thou shalt restore

Bible References

Thou shalt restore

Matthew 7:12
Everything, therefore, be it what it may, that you would have men do to you, do you also the same to them; for in this the Law and the Prophets are summed up.
1 Thessalonians 4:6
and that in this matter there be no encroaching on the rights of a brother Christian and no overreaching him. For the Lord is an avenger in all such cases, as we have already taught you and solemnly warned you.