What will God do in the dispensation of the fulness of times?
In the dispensation of the fulness of times, God will gather together in one all things in Christ, both the things in heaven and the things on earth, even in Him. This period is identified as the thousand-year millennial reign on the earth, when God brings His plan to its intended end.
Les explains that verse 10 speaks of the dispensation, or period, of the fulness of times, which he feels is the thousand-year millennial reign on the earth. In that fulness of time, God will gather together in one all things in Christ, both things in Heaven and things on the earth, even in Him. The word “both” indicates two entities, not three or four. These are the two spheres God has been dealing with since the beginning of human history, going back to Genesis 1. Everything begins and ends with and in God; He created everything, set everything in motion, and will bring it to His own end. Thus nuclear warfare in the tribulation will not happen until God is ready to let it all happen.
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: