1 Corinthians 1:19

1:19 For it is written, “I will destroy the wisdom of the wise, and I will thwart the cleverness of the intelligent.” ¹ 

1 Corinthians 14:37

14:37 If anyone considers himself a prophet or spiritual person, he should acknowledge that what I write to you is the Lord’s command.

[1:19]  ¹ sn A quotation from Isa 29:14.