Deuteronomy 19:9

if you will keep all these commandments which I command you today, to do them, to love Jehovah your God, and to walk always in His ways, then you shall add to yourself three more cities to these three,

Joshua 20:7-8

And they set apart Kadesh in Galilee, in the hills of Naphtali; and Shechem in the hills of Ephraim; and Kirjath-arba (it is Hebron) in the hills of Judah.

Deuteronomy 11:22-25

For if you will carefully keep all these commandments which I command you, to do them, to love Jehovah your God, to walk in all His ways, and to hold fast to Him,

Deuteronomy 12:32

All the things I command you, be careful to do it. You shall not add to it, nor take away from it.

Treasury of Scripture Knowledge

Summary

If thou shalt keep all these commandments to do them, which I command thee this day, to love the LORD thy God, and to walk ever in his ways; then shalt thou add three cities more for thee, beside these three:

Then shalt thou

Bible References

If thou shalt

Deuteronomy 11:22
For if you will carefully keep all these commandments which I command you, to do them, to love Jehovah your God, to walk in all His ways, and to hold fast to Him,
Deuteronomy 12:32
All the things I command you, be careful to do it. You shall not add to it, nor take away from it.

Then shalt thou

Joshua 20:7
And they set apart Kadesh in Galilee, in the hills of Naphtali; and Shechem in the hills of Ephraim; and Kirjath-arba (it is Hebron) in the hills of Judah.