The Spirit of God

I am reading through Paul’s description in the book of 1 Corinthians of God’s wisdom that is revealed by the Spirit.
Such as . . .
2:6 Now we do speak wisdom among the mature, but not a wisdom of this age or of the rulers of this age, who are perishing.
2:7 Instead we speak the wisdom [...]

On Certainty, Truth and Scripture

Notice in 1 Thessalonians how Paul referes to the scriptures and how the believers have certainty.
1:4 We know, brothers and sisters loved by God, that he has chosen you,
1:5 in that our gospel did not come to you merely in words but in power and in the Holy Spirit and with deep conviction (surely you [...]