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.

Before coming to Sinai, what had Moses taught Israel?
What unites all believers under the new covenant?
Why does the Lord call the Sabbath His day?
On what day does John say he was in the Spirit?
What are the objects of the Lord's Day Alliance of the United States?
What pitiful appeal did He make to the impenitent city?
Concerning what should we not be ignorant?

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