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17Brothers and sisters, join in following my example, and observe those who walk according to the pattern you have in us. 18For many walk, of whom I often told you, and now tell you even as I weep, that they are the enemies of the cross of Christ, 19whose end is destruction, whose god is their appetite, and whose glory is in their shame, who have their minds on earthly things. 20For our citizenship is in heaven, from which we also eagerly wait for a Savior, the Lord Jesus Christ; 21who will transform the body of our lowly condition into conformity with His glorious body, by the exertion of the power that He has even to subject all things to Himself.