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.

By what principle is genuine faith actuated?
How should the youth he taught to regard the aged?
What was this earthly sanctuary and its round of service?
Can man of himself, unaided by Christ, keep the law?
What proposition did He submit to them?
For what purpose are we to remember the Sabbath day?
What is said of those embraced in the first resurrection?

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