Deuteronomy 22:2

New International Version

If they do not live near you or if you do not know who owns it, take it home with you and keep it until they come looking for it. Then give it back.

Cross References

Matthew 7:12

So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets.

Deuteronomy 22:1

If you see your fellow Israelite’s ox or sheep straying, do not ignore it but be sure to take it back to its owner.

Deuteronomy 22:3

Do the same if you find their donkey or cloak or anything else they have lost. Do not ignore it.

1 Thessalonians 4:6

and that in this matter no one should wrong or take advantage of a brother or sister. The Lord will punish all those who commit such sins, as we told you and warned you before.