1 Corinthians 2:4-6

Young's Literal Translation

⁴ and my word and my preaching was not in persuasive words of human wisdom, but in demonstration of the Spirit and of power --

⁵ that your faith may not be in the wisdom of men, but in the power of God.

⁶ And wisdom we speak among the perfect, and wisdom not of this age, nor of the rulers of this age -- of those becoming useless,