Genesis 41:32

Now as for the repeating of the dream to Pharaoh twice, it means that the matter is determined by God, and God will quickly bring it about.

Numbers 23:19

God is not a man, that He should lie,
Nor a son of man, that He should repent;
Has He said, and will He not do it?
Or has He spoken, and will He not make it good?

Isaiah 46:10-11

Declaring the end from the beginning,
And from ancient times things which have not been done,
Saying, ‘My purpose will be established,
And I will accomplish all My good pleasure’;

Genesis 37:7

for behold, we were binding sheaves in the field, and lo, my sheaf rose up and also stood erect; and behold, your sheaves gathered around and bowed down to my sheaf.”

Genesis 37:9

Now he had still another dream, and related it to his brothers, and said, “Lo, I have had still another dream; and behold, the sun and the moon and eleven stars were bowing down to me.”

Job 33:14-15

“Indeed God speaks once,
Or twice, yet no one notices it.

Isaiah 14:24-27

The Lord of hosts has sworn saying, “Surely, just as I have intended so it has happened, and just as I have planned so it will stand,

Isaiah 30:33

For Topheth has long been ready,
Indeed, it has been prepared for the king.
He has made it deep and large,
A pyre of fire with plenty of wood;
The breath of the Lord, like a torrent of brimstone, sets it afire.

Matthew 24:35

Heaven and earth will pass away, but My words will not pass away.

Matthew 25:34

“Then the King will say to those on His right, ‘Come, you who are blessed of My Father, inherit the kingdom prepared for you from the foundation of the world.

Matthew 25:41

“Then He will also say to those on His left, ‘Depart from Me, accursed ones, into the eternal fire which has been prepared for the devil and his angels;

Mark 10:40

But to sit on My right or on My left, this is not Mine to give; but it is for those for whom it has been prepared.”

1 Corinthians 2:9

but just as it is written,
Things which eye has not seen and ear has not heard,
And which have not entered the heart of man,
All that God has prepared for those who love Him.”

2 Corinthians 13:1

This is the third time I am coming to you. Every fact is to be confirmed by the testimony of two or three witnesses.

Revelation 9:15

And the four angels, who had been prepared for the hour and day and month and year, were released, so that they would kill a third of mankind.

Treasury of Scripture Knowledge

Summary

And for that the dream was doubled unto Pharaoh twice; it is because the thing is established by God, and God will shortly bring it to pass.

Bible References

Doubled

Genesis 37:7
for behold, we were binding sheaves in the field, and lo, my sheaf rose up and also stood erect; and behold, your sheaves gathered around and bowed down to my sheaf.”
Job 33:14
“Indeed God speaks once,
Or twice, yet no one notices it.
2 Corinthians 13:1
This is the third time I am coming to you. Every fact is to be confirmed by the testimony of two or three witnesses.

It is because

Numbers 23:19
God is not a man, that He should lie,
Nor a son of man, that He should repent;
Has He said, and will He not do it?
Or has He spoken, and will He not make it good?
Isaiah 14:24
The Lord of hosts has sworn saying, “Surely, just as I have intended so it has happened, and just as I have planned so it will stand,
Isaiah 46:10
Declaring the end from the beginning,
And from ancient times things which have not been done,
Saying, ‘My purpose will be established,
And I will accomplish all My good pleasure’;
Matthew 24:35
Heaven and earth will pass away, but My words will not pass away.

Established by

Isaiah 30:33
For Topheth has long been ready,
Indeed, it has been prepared for the king.
He has made it deep and large,
A pyre of fire with plenty of wood;
The breath of the Lord, like a torrent of brimstone, sets it afire.
Matthew 25:34
“Then the King will say to those on His right, ‘Come, you who are blessed of My Father, inherit the kingdom prepared for you from the foundation of the world.
Mark 10:40
But to sit on My right or on My left, this is not Mine to give; but it is for those for whom it has been prepared.”
1 Corinthians 2:9
but just as it is written,
Things which eye has not seen and ear has not heard,
And which have not entered the heart of man,
All that God has prepared for those who love Him.”
Revelation 9:15
And the four angels, who had been prepared for the hour and day and month and year, were released, so that they would kill a third of mankind.