For what purpose is the mystery of the gospel made manifest?

Answer

But now [the mystery] is made manifest, and by the Scriptures of the prophets, according to the
commandment of the everlasting God, made known to all nations for the obedience of faith." Rom. 16: 26.

How futile was all this?
What final call to come out of Babylon is to go forth?
How did the Israelites in the wilderness on the sixth day prepare for the Sabbath?
In view of this fact, what does Christ tell us to do?
How did Christ speak of the gathering of the Gentiles?
16. After the sealing work brought to view in Revelation 7, which takes place under the sixth seal, how is the seventh seal introduced?
How will the Lord manifest Himself to the wicked?

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