Deuteronomy 19:9

Modern English Version

and if you will carefully keep all these commandments, which I command you today, to love the Lord your God, and to always walk in His ways, then you must add three cities more for yourself, besides these three.

Cross References

Deuteronomy 12:32

Whatever I command you, be careful to do it. You shall not add to it or take away from it.

Deuteronomy 6:5

And you shall love the Lord your God with all your heart and with all your soul and with all your might.