The assault of the enemy would not only make the citizens of Jerusalem tremble in fear; their rapid progress would also make the earth shake and the sky tremble. The vast numbers of ‘soldiers’ in this army would block out the light of the sun by day and the moon by night, and when it stormed the city, even the stars would be obscured (v. 10). It is at this point that Joel revealed the identity of the commander of this invading army. We can image the incredulous
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