Genesis 47:20-22

Verse 21

And as for the people, he removed them to cities - It is very likely that Joseph was influenced by no political motive in removing the people to the cities, but merely by a motive of humanity and prudence. As the corn was laid up in the cities he found it more convenient to bring them to the place where they might be conveniently fed; each being within the reach of an easy distribution. Thus then the country which could afford no sustenance was abandoned for the time being, that the people might be fed in those places where the provision was deposited.
Verse 22

The land of the priests bought he not - From this verse it is natural to infer that whatever the religion of Egypt was, it was established by law and supported by the state. Hence when Joseph bought all the lands of the Egyptians for Pharaoh, he bought not the land of the priests, for that was a portion assigned them by Pharaoh; and they did eat - did live on, that portion. This is the earliest account we have of an established religion supported by the state.
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