Deuteronomy 6:7

6:7 and you must teach them to your children and speak of them as you sit in your house, as you walk along the road, as you lie down, and as you get up.

Deuteronomy 22:2

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.

Deuteronomy 32:46

32:46 he said to them, “Keep in mind all the words I am solemnly proclaiming to you today; you must command your children to observe carefully all the words of this law.