1 Corinthians 5:10

5:10 In no way did I mean the immoral people of this world, or the greedy and swindlers and idolaters, since you would then have to go out of the world.

1 Corinthians 6:2

6:2 Or do you not know that the saints will judge the world? And if the world is to be judged by you, are you not competent to settle trivial suits?