Deuteronomy 22:2

If your brother isn't near to you, or if you don't know him, then you shall bring it home to your house, and it shall be with you until your brother seek after it, and you shall restore it to him.

Matthew 7:12

Therefore whatever you desire for men to do to you, you shall also do to them; for this is the law and the prophets.

1 Thessalonians 4:6

that no one should take advantage of and wrong a brother or sister in this matter; because the Lord is an avenger in all these things, as also we forewarned you and testified.

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
Therefore whatever you desire for men to do to you, you shall also do to them; for this is the law and the prophets.
1 Thessalonians 4:6
that no one should take advantage of and wrong a brother or sister in this matter; because the Lord is an avenger in all these things, as also we forewarned you and testified.

General references

Exodus 23:4
"If you meet your enemy's ox or his donkey going astray, you shall surely bring it back to him again.