The Apostle Paul
1 Corinthians 1:24ESV·traditional attribution

but to those who are called, both Jews and Greeks, Christ the power of God and the wisdom of God.

John Calvin Reformed @genevareformer

24. Both Greeks and Jews He shows by this contrast, that the fact that Christ was so unfavorably received, was not owing to any fault on his part, nor to the natural disposition of mankind generally, but arose from the depravity of those who were not enlightened by God, inasmuch as the elect of God, whether Jews or Gentiles, are not hindered by any stumblingblock...

Matthew Henry Presbyterian @wholebiblehenry

We have here, I. The manner in which Paul preached the gospel, and the cross of Christ: Not with the wisdom of words (Co1 1:17), the enticing words of man's wisdom (Co1 2:4), the flourish of oratory, or the accuracies of philosophical language, upon which the Greeks so much prided themselves, and which seem to have been the peculiar recommendations of some of the heads...

Commenting on 1 Corinthians 1:17-31

John Gill Reformed Baptist @doctorgill

But unto them which are called,.... Effectually, by the grace of God, not merely externally, but internally; these have other sentiments of Christ, and the doctrine of salvation by him; for being called out of darkness, and savingly illuminated by the Spirit of God, they see wisdom, beauty, glory, excellency, and suitableness in Christ, and in his Gospel; and having felt the power of it...