What does the word sovereignty mean? What is a sovereign? We don’t use the word very often in the United States today, because a sovereign is a king – one who rules over his subjects. So, when we speak of God’s sovereignty, what are we talking about? When we speak of God as a Sovereign, we speak of his rule over everything in the universe.
Abraham Kuyper, a Dutch theologian and prime minister once said, “There is not a square inch in the whole domain of our human existence over which Christ, who is Sovereign over all, does not cry: ‘Mine!’” R.C. Sproul put it this way:
If there is one molecule in this universe running around loose outside the scope or the sphere of God’s divine control and authority and power, then that single maverick molecule may be the grain of sand that changes the entire course of human history, that blocks God from keeping the promises he has made to his people.
As we know, God created everything that exists. Scripture opens with those famous words, “In the beginning, God created the heavens and the earth” (Genesis 1:1), and the writer to the Hebrews tells us, “By faith we understand that the universe was created by the word of God, so that what is seen was not made out of things that are visible” (Hebrews 11:3). God created all things, so he is the Author of all things. And, as the Author of all things, he has authority over them. The idea of God’s sovereignty presupposes God’s creation. Without God’s creation of all things, he would not be the Sovereign Ruler of all things.

(σύμμορφος ).