Satan must eat dust all his days (Gen 3:14)
Man is dust (Gen 3:19)
Satan is a maneater (1 Pet 5:8)
Yet Christ will join man to crush the maneater (Gen 3:15)
He does this by being Man eaten (John 6:51)
Only in this way does He swallow His enemies (1 Cor 15:54)
Those who don't eat (with) Christ get eaten (Rev 19:18)
Those who eat Christ join Him in crushing the maneater (Rom 16:20)
In this way Christ humbles Himself in order to be exalted (Luke 14:11)
Meanwhile Satan, who exalted himself will be humbled (Ezek 28:11-19)
Eating dust is the lot of the defeated enemy (Ps 72:9)
And Satan will eat dirt all the days of his life (Micah 7:17; Rev 20:10)
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So eat dirt man eater! There's one Man you couldn't swallow. He's swallowed you. Our food will be the Man eaten. And you will eat dirt forever.
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I remember James Jordan once explaining how the whole church serves and teaches one another. He used the example of a small girl (I think he said about 6) coming up to him after he had been teaching on Genesis and pointing out to him the connection between Satan as dust-eater and man as dust which he had never spotted before.