The Bible contains mysteries (God's invisible activities on our behalf)that have been hidden in plain sight, but made clear by revelation from God's Spirit.
God's mysteries have been in plain sight from the beginning of time, but carnality has obscured them from mankind.
The fallen Woman of Revelation 17 and 18 displays no religious characteristics but is instead involved in the politics, economics, and culture of its time.
Solomon's statement that all of life is vanity is only true if one is not privy to God's ultimate purpose for mankind. Paul describes what God is doing.