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 is faith declared to be?
What are some good fruits of proper child training?
Was the judgment still future in Paul's day?
Was the Sabbath intended as a day for public worship?
By what authority was Sunday Sabbath-keeping instituted?
What are we admonished to overcome?
What does Christ give His followers?

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