'Kingdom of God' in the Bible

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

But if it be by the Spirit of God that I cast out devils, then the kingdom of God is come upon you.

And again I say to you, It is easier for a camel to go thro' 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 his father? They say to him, The first. Jesus saith to them, Verily I say to you, the publicans and harlots go into the kingdom of God before you.

Therefore I say to you, The kingdom of God shall be taken from you, and given to a nation bringing forth the fruits thereof.