Luke 11:20

But if I by the finger of God cast out demons, then is the kingdom of God come upon you.

Exodus 8:19

Then the magicians said unto Pharaoh, This is the finger of God: and Pharaoh's heart was hardened, and he hearkened not unto them; as Jehovah had spoken.

Daniel 2:44

And in the days of those kings shall the God of heaven set up a kingdom which shall never be destroyed, nor shall the sovereignty thereof be left to another people; but it shall break in pieces and consume all these kingdoms, and it shall stand for ever.

Matthew 3:2

Repent ye; for the kingdom of heaven is at hand.

Matthew 12:28

But if I by the Spirit of God cast out demons, then is the kingdom of God come upon you.

Luke 10:9

and heal the sick that are therein, and say unto them, The kingdom of God is come nigh unto you.

Luke 10:11

Even the dust from your city, that cleaveth to our feet, we wipe off against you: nevertheless know this, that the kingdom of God is come nigh.

Acts 20:25

And now, behold, I know that ye all, among whom I went about preaching the kingdom, shall see my face no more.

Acts 28:23-28

And when they had appointed him a day, they came to him into his lodging in great number; to whom he expounded the matter, testifying the kingdom of God, and persuading them concerning Jesus, both from the law of Moses and from the prophets, from morning till evening.

2 Thessalonians 1:5

which is a manifest token of the righteous judgment of God; to the end that ye may be counted worthy of the kingdom of God, for which ye also suffer:

Treasury of Scripture Knowledge

Summary

But if I with the finger of God cast out devils, no doubt the kingdom of God is come upon you.

Bible References

The kingdom

Daniel 2:44
And in the days of those kings shall the God of heaven set up a kingdom which shall never be destroyed, nor shall the sovereignty thereof be left to another people; but it shall break in pieces and consume all these kingdoms, and it shall stand for ever.
Acts 20:25
And now, behold, I know that ye all, among whom I went about preaching the kingdom, shall see my face no more.
Acts 28:23
And when they had appointed him a day, they came to him into his lodging in great number; to whom he expounded the matter, testifying the kingdom of God, and persuading them concerning Jesus, both from the law of Moses and from the prophets, from morning till evening.
2 Thessalonians 1:5
which is a manifest token of the righteous judgment of God; to the end that ye may be counted worthy of the kingdom of God, for which ye also suffer:

American Standard Version Public Domain