'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.

Again I tell you, it is easier for a camel to go through a needle's eye, than for a rich man to enter into the Kingdom of God."

Which of the two did the will of his father?" They said to him, "The first." Jesus said to them, "Most certainly I tell you that the tax collectors and the prostitutes are entering into the Kingdom of God before you.

"Therefore I tell you, the Kingdom of God will be taken away from you, and will be given to a nation bringing forth its fruit.