Why was further instruction concerning this vision necessary ?

Answer

"And I Daniel fainted, and was sick certain days; afterward I rose up, and did the king's business; and I was
astonished at the vision, but none understood it." Verse 27.

What was to be the nature of the next kingdom after Babylon?
By what is the Medo-Persian Empire represented in the great image?
What marked the climax of Babylon's apostasy?
Why did the Lord destroy Sodom?
What title is given the last book of the Bible?
What is implied in a knowledge of God and Jesus Christ?
What seasons of worship will be observed in the new earth?

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