Luke 11:20

But if I cast out demons by the power of God, you may be sure the kingdom of God is come unto you:

Matthew 3:2

and saying, Repent, for the kingdom of heaven is at hand:

Matthew 12:28

but if I by the Spirit of God cast out devils, then certainly the kingdom of God is come unto you.

Luke 10:9

and heal those in it that are sick, and say unto them, The kingdom of God is come unto you.

Luke 10:11

even the dust that cleaveth to us out of your city we wipe off against you: but know this, that the kingdom of God is come nigh unto you.

Acts 20:25

And now behold I know that ye all, among whom I have gone preaching the kingdom of God, shall see my face no more.

Acts 28:23-28

And having appointed him a day, many came to him at his lodging; to whom he discoursed and testified the kingdom of God, persuading them of the things concerning Jesus, both from the law of Moses, and from the prophets, from morning till evening.

2 Thessalonians 1:5

Which are a demonstration of the just judgement of God, 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

Acts 20:25
And now behold I know that ye all, among whom I have gone preaching the kingdom of God, shall see my face no more.
Acts 28:23
And having appointed him a day, many came to him at his lodging; to whom he discoursed and testified the kingdom of God, persuading them of the things concerning Jesus, both from the law of Moses, and from the prophets, from morning till evening.
2 Thessalonians 1:5
Which are a demonstration of the just judgement of God, that ye may be counted worthy of the kingdom of God, for which ye also suffer: