“…That in the dispensation of the fullness of the times He might gather together in one all things in Christ, both which are in heaven and which are on earth—in Him” (Eph 1:10).
Here’s the unifying principle of God’s universe. You’ll find the idea about 170x in the epistles: “in Him,” “in Christ,” “in the Lord.” It sweetens, strengthens, sustains everything. And we are in Him!