Deuteronomy 22:2

And if your brother is not near unto you, or if you know him not, then you shall bring it unto your own house, and it shall be with you until your brother seeks after it, and you shall restore it to him again.

Matthew 7:12

Therefore all things whatsoever you would that men should do to you, do you even so to them: for this is the law and the prophets.

1 Thessalonians 4:6

That no man transgress and wrong his brother in any matter: because the Lord is the avenger of all such, as we also have 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 all things whatsoever you would that men should do to you, do you even so to them: for this is the law and the prophets.
1 Thessalonians 4:6
That no man transgress and wrong his brother in any matter: because the Lord is the avenger of all such, as we also have 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.