1 Corinthians 5:12
Read 1 Corinthians 5:12 Using Other Translations
For what have I to do to judge them also that are without? do not ye judge them that are within?
For what have I to do with judging outsiders? Is it not those inside the church whom you are to judge?
It isn’t my responsibility to judge outsiders, but it certainly is your responsibility to judge those inside the church who are sinning.