Deuteronomy 22:1

Laws Concerning Preservation of Life

22:1 When you see your neighbor’s ox or sheep going astray, do not ignore it; you must return it without fail to your neighbor.

Deuteronomy 22:3-4

22:3 You shall do the same to his donkey, his clothes, or anything else your neighbor has lost and you have found; you must not refuse to get involved. 22:4 When you see your neighbor’s donkey or ox fallen along the road, do not ignore it; instead, you must be sure to help him get the animal on its feet again.