Isn’t it Ironic?

Cale looks at 1 Corinthians 2:6 – 3:4. What is Gnosticism? What is true wisdom? Is St. Paul referencing heaven when he cites an Old Testament text; “What no eye has seen, nor ear heard, nor the heart of man conceived, what God has prepared for those who love him,” ( 1 Cor. 2:9)? Or is he referring to something else?