'Kingdom of God' in the Bible

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

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

And again I say to you, It is of easier labor for a camel to pass through the hole of a needle, than for a rich one to come into the kingdom of God.

Which of the two did the father's will? They say to him, The first. Jesus says to them, Truly I say to you, that publicans and harlots go into the kingdom of God before you.

For this I say to you, The kingdom of God shall be taken from you, and shall be given to a nation doing its fruits.