" Both Jew and Gentile enjoyed complexities, especially the Greeks with their philosophical systems. They loved mental gymnastics and intellectual labyrinths. They believed the truth was knowable, but only to those with elevated minds. This system later became known as gnosticism, a belief that certain people, by virtue of their enhanced reasoning powers, could move beyond the hoi polloi and ascend to the level of enlightenment. At the time of Paul, we can trace at least fifty different philosophies rattling around in the Roman and Greek world. And the gospel came along and said, “None of it matters. We’ll destroy it all. Take all the wisdom of the wise, get the best, get the elite, the most educated, the most capable, the smartest, the most clever, the best at rhetoric, oratory, logic; get all the wise, all the scribes, the legal experts, the great debaters, and they’re all going to be designated fools.” The gospel says they are all foolish. Paul’s quotation of Isaiah 29:14 in verse 19, “I will destroy the wisdom of the wise,” had to be an offensive statement to his audience. "
― John F. MacArthur Jr. , Hard to Believe: The High Cost and Infinite Value of Following Jesus