What is said of the fourth kingdom?

Answer

"And the fourth kingdom shall be strong as iron: forasmuch as iron breaks in pieces and subdues all things:
and as iron that breaks all these, shall it break in pieces and bruise." Verse 40.

Why cannot the natural man receive the things of the Spirit?
What will occur when the Lord descends from heaven?
How, then, did the Lord prove the people (verse 4) whether they would keep His law, or not?
How, according to Luke, did Christ answer this question?
Would God have His people unite in these combinations?
What will the righteous do upon rising from the grave?
What has this firm trust in Jesus led many to do?

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