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.

What did Christ say to the Jews concerning the study of the Scriptures?
What is the last book of the Bible called?
What is the essential teaching of the new covenant?
What is the essential principle of the law of God?
What is one of the offices of the moral law?
What was the color of the symbol under the third seal?
Upon what condition does Christ say we shall receive?

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