Luke 11:20

But if it is by the power of God that I drive out the demons, it is evident that the Kingdom of God has come upon you.

Matthew 3:2

"Repent," he said, "for the Kingdom of the Heavens is now close at hand."

Matthew 12:28

But if it is by the power of the Spirit of God that I expel the demons, it is evident that the Kingdom of God has come upon you.

Luke 10:9

Cure the sick in that town, and tell them, "'The Kingdom of God is now at your door.'

Luke 10:11

"'The very dust of your town that hangs about us we wipe off as a protest. Only be sure of this, that the Kingdom of God is close at hand.'

Acts 20:25

"And now, I know that none of you among whom I have gone in and out proclaiming the coming of the Kingdom will any longer see my face.

Acts 28:23-28

So they arranged a day with him and came to him in considerable numbers at the house of the friends who were entertaining him. And then, with solemn earnestness, he explained to them the subject of the Kingdom of God, endeavouring from morning till evening to convince them about Jesus, both from the Law of Moses and from the Prophets.

2 Thessalonians 1:5

For these are a plain token of God's righteous judgement, which has in view your being deemed worthy of admission to God's Kingdom, for the sake of which, indeed, you are sufferers.

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, I know that none of you among whom I have gone in and out proclaiming the coming of the Kingdom will any longer see my face.
Acts 28:23
So they arranged a day with him and came to him in considerable numbers at the house of the friends who were entertaining him. And then, with solemn earnestness, he explained to them the subject of the Kingdom of God, endeavouring from morning till evening to convince them about Jesus, both from the Law of Moses and from the Prophets.
2 Thessalonians 1:5
For these are a plain token of God's righteous judgement, which has in view your being deemed worthy of admission to God's Kingdom, for the sake of which, indeed, you are sufferers.