I have also learned something about the root of anxiety and the ax that can sever it. One of the most important texts has been the one I underlined when I was 15—the whole section of Matthew 6:25–34. Four times in this passage Jesus says that his disciples should not be anxious. Verse 25: “For this reason I say to you, do not be anxious for your life.” Verse 27: “And which of you by being anxious can add a single cubit to his life’s span?” Verse 31: “Do not be anxious, saying, ‘What shall we eat?’ ”