And the LORD gave the people favor in the sight of the Egyptians, so that they gave unto them such things as they required. And they spoiled the Egyptians.
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Augustine of Hippo
The Egyptians not only had idols and crushing burdens which the people of Israel detested and from which they fled. They also had vessels and ornaments of gold and silver, and clothing, which the Israelites leaving Egypt secretly claimed for themselves as if for a better use. Not on their own authority did they make this appropriation, but by the command of God. Meanwhile, the Egyptians themselves, without realizing it, were supplying the things which they were not using properly. In the same way, all the teachings of the pagans have counterfeit and superstitious notions and oppressive burdens of useless labor. Any one of us, leaving the association of pagans with Christ as our leader, ought to abominate and shun them. . ...