'Kingdom of God' in the Bible

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

And again I tell you, it is easier for a camel to go through the eye of a needle, than for a rich man to enter into the kingdom of God.

Which of the two did the will of the father? They said to him, The first. Jesus said to them, I tell you truly, that the publicans and harlots go into the kingdom of God before you.

I tell you, therefore, that the kingdom of God shall be taken from you, and given to a nation yielding its fruits.