Jesus answered, I assure you, most solemnly I tell you, unless a man is born of water and [even] the Spirit, he cannot [ever] enter the kingdom of God. [Ezek. 36:25-27.]
Preaching to them the kingdom of God and teaching them about the Lord Jesus Christ with boldness and quite openly, and without being molested or hindered.
So let it be understood by you then that [this message of] the salvation of God has been sent to the Gentiles, and they will listen [to it]! [Ps. 67:2.]
Jesus answered him, I assure you, most solemnly I tell you, that unless a person is born again (anew, from above), he cannot ever see (know, be acquainted with, and experience) the kingdom of God.
From that time Jesus began to preach, crying out, Repent (change your mind for the better, heartily amend your ways, with abhorrence of your past sins), for the kingdom of heaven is at hand.
And in the days of these [final ten] kings shall the God of heaven set up a kingdom which shall never be destroyed, nor shall its sovereignty be left to another people; but it shall break and crush and consume all these kingdoms and it shall stand forever. [Dan. 7:14-17; Luke 1:31-33; Rev. 11:15.]