And the kingdom and dominion, and the greatness of the kingdom under the whole heaven, shall be given to the people of the saints of the most High, whose kingdom is an everlasting kingdom, and all dominions shall serve and obey him.
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Aquinas Study Bible
AD 2017
In other words, this is the end of all the affairs of this life, all the empires of earth coming to a close and the eternal kingdom being given to the saints of the Most High, with those in charge obeying and devotely serving Him, since His kingdom is eternal and does not come to an end. (Theodoret of Cyrus)