In third grade, I learned about Newton’s theory of gravity. According to the familiar story, Isaac Newton was inspired to think about gravity after an apple fell from a tree, giving him an “aha!” moment. What goes up must come down. Gravity is one of the most interesting things we can learn about. But I believe gravity has a spiritual connection, too. One of the most amazing things about the Earth is that gravity keeps us connected to it. We are held to the Earth by a powerful force we cannot see.  Similarly, we can think of the love of…