1:25 Because the foolishness of God - The gospel scheme, which the world judge to be mere foolishness, is wiser than the wisdom of men; and, weak as they account it, stronger than all the strength of men.

1 Corinthians 1:25 Parallel Commentaries

Christ Crucified
Wisdom had had its time, and time enough; it had done its all, and that was little enough; it had made the world worse than it was before it stepped upon it, and "now," says God, "Foolishness shall overcome wisdom; now ignorance, as ye call it, shall sweep away science; now, humble, child-like faith shall crumble to the dust all the colossal systems your hands have piled." He calls his armies. Christ puts his trumpet to his mouth, and up come the warriors, clad in fishermen's garb, with the brogue …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 1: 1855

The Fourfold Treasure
To-night we have before us a text which is extraordinarily comprehensive, and contains infinitely more of meaning than mind shall grasp, or tongue shall utter at this hour. Considering it carefully, let us observe, first, that the apostle here attributes the fact that we are in Christ Jesus to the Lord alone. He shows that there is a connection between our very being as Christians, and the love and grace of God in Christ. "Of him" (that is of God) "are ye in Christ Jesus." So we will first speak …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 17: 1871

Christ --The Power and Wisdom of God
Now, this morning, we shall try to bring out these two thoughts of the gospel; and it may be that God shall bless what we shall say to the removing of the objection of either Jew or Greek; that the one requiring a sign may see it in the power of God in Christ, and that he who requireth wisdom may behold it in the wisdom of God in Christ. We shall understand our text in a threefold manner: Christ, that is, Christ personally, is "the power of God and the wisdom of God;" Christ, that is, Christ's gospel, …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 3: 1857