Revelation 10:7

but when it is time for the trumpet call of the seventh angel, when he is about to sound, then the mystery of God [that is, His hidden purpose and plan] is finished, as He announced the gospel to His servants the prophets.

Romans 16:25

Now to Him who is able to establish and strengthen you [in the faith] according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery [of the plan of salvation] which has been kept secret for long ages past,

Amos 3:7


Surely the Lord God does nothing
Without revealing His secret plan [of the judgment to come]
To His servants the prophets.

Luke 24:44-47

Then He said to them, “This is what I told you while I was still with you, everything which has been written about Me in the Law of Moses and the [writings of the] Prophets and the Psalms must be fulfilled.”

Acts 3:21

whom heaven must keep until the time for the [complete] restoration of all things about which God promised through the mouth of His holy prophets from ancient time.

Romans 11:25

I do not want you, believers, to be unaware of this mystery [God’s previously hidden plan]—so that you will not be wise in your own opinion—that a partial hardening has [temporarily] happened to Israel [to last] until the full number of the Gentiles has come in;

Ephesians 3:3-9

and that by [divine] revelation the mystery was made known to me, as I have already written in brief.

Revelation 11:15-18

Then the seventh angel sounded [his trumpet]; and there were loud voices in heaven, saying,

“The kingdom (dominion, rule) of the world has become the kingdom of our Lord and of His Christ; and He will reign forever 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
Then the seventh angel sounded [his trumpet]; and there were loud voices in heaven, saying,

“The kingdom (dominion, rule) of the world has become the kingdom of our Lord and of His Christ; and He will reign forever and ever.”

The mystery

Romans 11:25
I do not want you, believers, to be unaware of this mystery [God’s previously hidden plan]—so that you will not be wise in your own opinion—that a partial hardening has [temporarily] happened to Israel [to last] until the full number of the Gentiles has come in;
Romans 16:25
Now to Him who is able to establish and strengthen you [in the faith] according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery [of the plan of salvation] which has been kept secret for long ages past,
Ephesians 3:3
and that by [divine] revelation the mystery was made known to me, as I have already written in brief.

As he

Luke 24:44
Then He said to them, “This is what I told you while I was still with you, everything which has been written about Me in the Law of Moses and the [writings of the] Prophets and the Psalms must be fulfilled.”
Acts 3:21
whom heaven must keep until the time for the [complete] restoration of all things about which God promised through the mouth of His holy prophets from ancient time.