Deuteronomy 22:2
If the owner does not live near you or you do not know who the owner is, then you must corral the animal at your house and let it stay with you until the owner looks for it; then you must return it to him.
Matthew 7:12
In everything, treat others as you would want them to treat you, for this fulfills the law and the prophets.
1 Thessalonians 4:6
In this matter no one should violate the rights of his brother or take advantage of him, because the Lord is the avenger in all these cases, as we also told you earlier and warned you solemnly.
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
General references
Bible References
Thou shalt restore
Matthew 7:12
In everything, treat others as you would want them to treat you, for this fulfills the law and the prophets.
1 Thessalonians 4:6
In this matter no one should violate the rights of his brother or take advantage of him, because the Lord is the avenger in all these cases, as we also told you earlier and warned you solemnly.
General references
Exodus 23:4
"If you encounter your enemy's ox or donkey wandering off, you must by all means return it to him.