Luke 11:20

But if I by the finger of God am driving the demons out, then the kingdom of God has come to you.

Matthew 3:2

and saying, "Repent! For the kingdom of heaven is near."

Matthew 12:28

But if I by the Spirit of God am driving the demons out, then the kingdom of God has come to you.

Luke 10:9

to cure the sick there, and to say, 'The kingdom of God is close upon you.'

Luke 10:11

'We are wiping off against you the very dust from your town that has stuck to our feet. But understand this, the kingdom of God is close by.'

Acts 20:25

And now I know that none of you among whom I went about preaching the kingdom will ever see my face again.

Acts 28:23-28

So they set a day for him, and came in large numbers to see him at the place where he was lodging, and from morning till night he continued to explain to them the kingdom of God, at the same time giving them his own testimony and trying from the law of Moses and the prophets to convince them about Jesus.

2 Thessalonians 1:5

This is a proof of God's righteous judgment, His aim being to let you show yourselves worthy of His kingdom, for which you are suffering; since,

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 went about preaching the kingdom will ever see my face again.
Acts 28:23
So they set a day for him, and came in large numbers to see him at the place where he was lodging, and from morning till night he continued to explain to them the kingdom of God, at the same time giving them his own testimony and trying from the law of Moses and the prophets to convince them about Jesus.
2 Thessalonians 1:5
This is a proof of God's righteous judgment, His aim being to let you show yourselves worthy of His kingdom, for which you are suffering; since,