Here’s a good article that may provide an answer to the essence of the law of gravity:
winteryknight.wordpress.com/2010/09/06/john-lennox-explains-whats-wrong-with-stephen-hawkings-theory/
"The law of gravity is just a mathematical equation that describes nature. Gravity is part of the natural world – it is a force of attraction between material objects. How can this force exist causally prior to the creation of all matter at t=0? It cannot. Self-creation is a self-refuting contradiction. For a thing to create itself, it would have to exist before it existed.
Maybe that passes for intelligent thought in the world of atheistic speculations, but not in the world of experimental science, which provides strong evidence for a Creation out of nothing, and a Design plan for the universe. Maybe this is just like Dawkins avoiding a debate with William Lane Craig – it’s not about seeking truth, it’s about book sales. It’s not like Hawking is going to subject his speculations to a public debate.
You can learn more about the argument for God’s existence from the creation of the universe in the Big Bang."