When our granddaughter Sarah was very young, she explained to me what happens when you die: “Only your face goes to heaven, not your body. You get a new body, but keep the same face.”

Sarah’s concept of our eternal state was a child’s understanding, of course, but she did grasp an essential truth. In a sense, our faces are a visible reflection of the invisible soul.

My mother used to say that an angry look might someday freeze on my face. She was wiser than she knew. A worried brow, an angry set to our mouths, a sly look in our…