The Angel Inside: Michelangelo's Secrets For Following Your Passion And Finding The Work You Love is a 2007 book written by Chris Widener. As the title indicate, it is a story about finding and following passion. These lessons are told as a business fable about a trip that a young professional takes across Europe. While in Florence, he meets an old man who mentors him through Michelangelo's life and work, specifically the sculpture of David.