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 does grace, as the ground of justification, exclude righteousness by works?
What question did -Christ's wonderful teaching call forth?
Against what three things does the third angel of Revelation 14 warn men?
When were the sun and moon darkened?
Until what time were the saints to he persecuted under the Roman power?
What relation do all sustain to God?
Who will be permitted to enter it?

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