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Here basically you would find your thesis statement. Notice that 1:16 is an inclusio with either 2:9 or 2:10 (though I would vote for 2:9 with 2:10 being there simply for emphasis). The point of the inclusio is that though the following section is supposedly about Gentile paganism, it applies to the Jews just as much as to the Gentiles, a sharp point they may not be too fond of.