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Perish. In the flood all the unrighteous perished; the same will happen at the end of the Tribulation Period: none of the unrighteous will enter Christ’s Kingdom.
Luke 17:26-30: When Jesus returns, it will be like the days of Noah: People were eating and drinking, marrying and being given in marriage, up to the day Noah entered the ark. Then the flood came and destroyed them all. It was the same in the days of Lot: People were eating and drinking, buying and selling, planting and building. But on the day Lot left Sodom, fire and brimstone rained down from heaven and destroyed them all. This is exactly how it will be when Jesus returns. Original public domain image from Flickr
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