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.

Of whom did Christ say the Scriptures testify?
What exhortation is based upon Christ's love for us?
What is the only unpardonable sin?
How many were saved in the ark?
How will such a mother he regarded?
What is sin declared to be?
Against what deceptions did Christ then warn us?

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