Revelation 10:7

But in the days of the voice of the seventh angel, when he shall begin to sound, the mystery of God should be finished, as he hath declared to his servants the prophets.

Romans 16:25

Now to him that is able to establish you according to my gospel, and the preaching of Jesus Christ, according to the revelation of the mystery, which hath been kept secret since the world began,

Amos 3:7

Surely the Lord GOD will do nothing, but he revealeth his secret to his servants the prophets.

Luke 24:44-47

And he said to them, These are the words which I spoke to you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the prophets, and in the psalms, concerning me.

Acts 3:21

Whom the heaven must receive, until the times of restitution of all things, which God hath spoken by the mouth of all his holy prophets, since the world began.

Romans 11:25

For I would not, brethren, that ye should be ignorant of this mystery, (lest ye should be wise in your own conceits) that blindness in part hath happened to Israel, until the fullness of the Gentiles shall be come in.

Ephesians 3:3-9

That by revelation he made known to me the mystery, as I wrote before in few words;

Revelation 11:15-18

And the seventh angel sounded; and there were great voices in heaven, saying, The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he will reign for ever and ever.

Treasury of Scripture Knowledge

Summary

But in the days of the voice of the seventh angel, when he shall begin to sound, the mystery of God should be finished, as he hath declared to his servants the prophets.

Bible References

In the

Revelation 11:15
And the seventh angel sounded; and there were great voices in heaven, saying, The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he will reign for ever and ever.

The mystery

Romans 11:25
For I would not, brethren, that ye should be ignorant of this mystery, (lest ye should be wise in your own conceits) that blindness in part hath happened to Israel, until the fullness of the Gentiles shall be come in.
Romans 16:25
Now to him that is able to establish you according to my gospel, and the preaching of Jesus Christ, according to the revelation of the mystery, which hath been kept secret since the world began,
Ephesians 3:3
That by revelation he made known to me the mystery, as I wrote before in few words;

As he

Luke 24:44
And he said to them, These are the words which I spoke to you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the prophets, and in the psalms, concerning me.
Acts 3:21
Whom the heaven must receive, until the times of restitution of all things, which God hath spoken by the mouth of all his holy prophets, since the world began.