1 Corinthians 2:8

2:8 None of the rulers of this age understood it. If they had known it, they would not have crucified the Lord of glory.

1 Corinthians 6:5

6:5 I say this to your shame! Is there no one among you wise enough to settle disputes between fellow Christians?

1 Corinthians 8:4

8:4 With regard then to eating food sacrificed to idols, we know that “an idol in this world is nothing,” and that “there is no God but one.”