The thirteen priestly cities (see the marginal references) were all in the tribes of Judah, Simeon, and Benjamin. Thus, as Calvin remarks, God so o…

And out of the tribe of Benjamin, Gibeon with her suburbs ,
&c.] (See Gill on Joshua 18:25); from which cam…

By mixing the Levites with the other tribes, they were made to see that the eyes of all Israel were upon them, and therefore it was their concern t…