Our Daily Bread

As a young boy, theologian Alister McGrath enjoyed experimenting with chemicals in his school’s laboratory. He liked to drop a tarnished coin into a beaker of diluted nitric acid. He often used an old British penny bearing the image of Queen Victoria. Because of the accumulated grime, Her Majesty’s image couldn’t be seen clearly. But the acid cleansed away the grime and the Queen’s image reappeared in shining glory.