What is the dispensation of the fulness of times?
The dispensation of the fulness of times is the period of time described as the thousand-year millennial reign on the earth, when God will gather together in one all things in Christ—both things in Heaven and things on the earth—even in Him.
Les explains that verse 10 speaks of the dispensation, or period of time, of the fulness of times, which he feels is the thousand-year millennial reign on the earth. At that fulness of time, God will gather together in one all things in Christ, both in Heaven and on the earth, even in Him. The word “both” indicates two entities, not three or four, and Les connects these to the two spheres God has been dealing with ever since the beginning of human history, going back to Genesis 1. He also stresses that everything begins and ends in God: He created everything, set it in motion, and will bring it to His own end, so end-time events, including nuclear warfare in the tribulation, will not happen until God is ready.
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: