1 Corinthians 3:18
3:18 Guard against self-deception, each of you. If someone among you thinks he is wise in this age, let him become foolish so that he can become wise.
1 Corinthians 5:5
5:5 turn this man over to Satan for the destruction of the flesh, so that his spirit may be saved
in the day of the Lord.
1 Corinthians 6:1
Lawsuits
6:1 When any of you has a legal dispute with another, does he dare go to court before the unrighteous rather than before the saints?
1 Corinthians 10:27
10:27 If an unbeliever invites you to dinner and you want to go, eat whatever is served without asking questions of conscience.
1 Corinthians 14:11
14:11 If then I do not know the meaning of a language, I will be a foreigner to the speaker and the speaker a foreigner to me.
1 Corinthians 15:48
15:48 Like the one made of dust, so too are those made of dust, and like the one from heaven, so too those who are heavenly.