Why cannot the natural man receive the things of the Spirit?

Answer

"But the natural man receives not the things of the Spirit of God: for they are foolishness unto him: neither
can he know because they are spiritually discerned." 1 Cor. 2: 14.

In what way are both Jews and Gentiles to be justified?
What great exchange has been wrought for us in Christ?
What question did the disciples then ask?
In what words does Christ recognize marriage as of God?
What is of more importance than any outward ceremony?
What are we admonished to overcome?
With what are the twelve foundations adorned?

Questions & Answers are from the book Bible Readings for the Home Circle