What is the dispensation of the fullness of time?
The dispensation of the fullness of time is the final period when God deals with the human race in a particular way—the Millennium, the thousand-year reign—so that He might gather together in one all things in Christ, both in heaven and on earth.
Les teaches that the dispensation of the fullness of time is that final period of time where God is going to deal with the human race in a particular way, which he calls the Millennium, the thousand-year reign. In that fullness of time, God will gather together in one all things in Christ, both which are in heaven and which are on the earth. This connects to the earlier point that all the Godhead is epitomized in Christ, who is bodily in heaven, the same body that ascended from Mount Olives. Les then goes back to Genesis 1:1 to show the earth being made ready for Adam and Eve.
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: