“Where does gravity come from?” After talking about how objects attract each other—and wisely ignoring the curvature of space-time—my wife and I arrived at our deepest and most honest answer: “We don’t know. Gravity is a mystery. People are still trying to figure it out.” This type of answer continues to divide humanity. We could have said, as billions of people would have, “Gravity comes from God.” But this would have merely stifled our daughter’s intelligence—and taught her to stifle
