Deuteronomy 19:9
If thou shalt watch all this command to do it, which I command thee this day, to love Jehovah thy God and to go in his ways all the days; and thou shalt add to thee yet three cities upon these three.
Joshua 20:7-8
And they will consecrate Kadesh in Galilee in mount Naphtali, and Shechem in mount Ephraim, and the city of Arba (this in Hebron) in mount Judah.
Deuteronomy 11:22-25
For if watching, ye shall watch all this command which I command you to do it, to love Jehovah thy God, to go in all his ways, and to cleave to him;
Deuteronomy 12:32
Every word which I command you, ye shall watch to do it: thou shalt not add upon it, and thou shalt not take away from it