Romans 16:17-18; Philippians 3:19-20

17 Now I urge you, brethren, keep your eye on those who cause dissensions and hindrances contrary to the teaching which you learned, and turn away from them.

18 For such men are slaves, not of our Lord Christ but of their own appetites; and by their smooth and flattering speech they deceive the hearts of the unsuspecting.

19 whose end is destruction, whose god is their appetite, and whose glory is in their shame, who set their minds on earthly things.

20 For our citizenship is in heaven, from which also we eagerly wait for a Savior, the Lord Jesus Christ;