We speak wisdom, however, among those who are full grown, yet a wisdom not of this world nor of the rulers of this world who are coming to nothing. But we speak God’s wisdom in a mystery, the wisdom that has been hidden, which God foreordained before the worlds for our glory, which none of the rulers of this world has known. For had they known it, they wouldn’t have crucified the Lord of glory. But as it is written, “Things which an eye didn’t see, and an ear didn’t hear, which didn’t enter into the heart of man, these God has prepared for those who love him.”

Referring to

Isaiah @isaiah · Isaiah 64:1-4

Oh that you would tear the heavens, that you would come down, that the mountains might quake at your presence— as when fire kindles the brushwood, and the fire causes the water to boil. Make your name known to your adversaries, that the nations may tremble at your presence! When you did awesome things which we didn’t look for, you came down, and the mountains quaked at your presence. For from of old men have not heard, nor perceived by the ear, nor has the eye seen a God besides you, who works for him who waits for him.