RKJNT(i)
4 And my speech and my preaching were not with persuasive words of man's wisdom, but in demonstration of the Spirit and of power:
5 That your faith should not rest on the wisdom of men, but on the power of God.
6 Yet we do speak wisdom among those who are mature: yet not the wisdom of this world, nor of the rulers of this world, who are being brought to nothing: