These verses set forth the spiritual ground on which the distinction between clean and unclean is based. Compare the marginal references and Leviti…

That brings you up out of the land of Egypt. —Having in a marvelous way delivered them from the land of bondage to be the…

For I am the Lord that bringeth you up out of the land of
Egypt
He had brought them out of it, and was no…

These laws seem to have been intended,

1. As a test of the people's obedience, as Adam was forbidden to eat from the tree of knowledge…