1 Corinthians 13:11, 1 Corinthians 14:20, 2 Peter 1:1-6, Ephesians 4:25-32, Hebrews 5:14 Niv1984

1 Corinthians 2:14-15 NIV
The person without the Spirit does not accept the things that come from the Spirit of God but considers them foolishness, and cannot understand them because they are discerned only through the Spirit. The person with the Spirit makes judgments about all things, but such a person is not subject to merely human judgments,

1 Corinthians 2:6 NIV
We do, however, speak a message of wisdom among the mature, but not the wisdom of this age or of the rulers of this age, who are coming to nothing.

1 Corinthians 3:1-2 NIV
Brothers and sisters, I could not address you as people who live by the Spirit but as people who are still worldly —mere infants in Christ. I gave you milk, not solid food, for you were not yet ready for it. Indeed, you are still not ready.