'Kingdom of God' in the Bible

But seek ye first the kingdom of God and his righteousness, and all these things shall be added unto you.

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

and again I say unto you, It is easier for a camel to enter a needle's eye than a rich man into the kingdom of God.

Which of the two did the will of the father? They say to him, The first. Jesus says to them, Verily I say unto you that the tax-gatherers and the harlots go into the kingdom of God before you.

Therefore I say to you, that the kingdom of God shall be taken from you and shall be given to a nation producing the fruits of it.