What is God's purpose in the dispensation of the fullness of time?
God's purpose in the dispensation of the fullness of time, the final period called the Millennium, the thousand-year reign, is to gather together in one all things in Christ, both things in heaven and things on earth. He purposed everything within Himself for this gathering in Christ.
Les explains that Ephesians 1 shows God has purposed everything within Himself. The dispensation of the fullness of time is the final period when God will deal with the human race in a particular way, which is called the Millennium, the thousand-year reign. Its purpose is that He might gather together in one all things in Christ, both which are in heaven and which are on the earth. Les also notes that all the Godhead is epitomized in Christ bodily, the same body that ascended from Mount Olives, so all fullness is manifested in Christ Himself.
That in the dispensation of the fulness of times he might gather together in one all things in Christ, both which are in heaven, and which are on earth; even in him: