Part I. Defining Medical Professionalism: 1. Defining, teaching, and learning professionalism Louise Arnold and George Thompson; Part II. Cases about Medical Students: 2. Cases about medical students Molly Eaton, Robert F. McFadden, Meghan Gould, Molly Cooke, Andre Radu, William G. McNett, Peter King, Robert Sade, Anthony Farah, Thomas J. Nasca, Kevin M. Eanes, Howard K. Rabinowitz, Elizabeth Norheim, David Abraham, Anna Filip, Carol Reife, Sarah Bergman Lewis, Benjamin S. Wilford, Lee Rabinowitz, Peter J. Hoffman, Amanda Lerman, Jeffrey Spike, Mark Sylvester, Kenneth W. Goodman, Dylan Kann, Faith Fitzgerald, Christine L. Myers, Michael J. Green, Kiona Allen, Susan Coffin, Neerva Goyal, Eric Holmboe, Christopher H. Henry, Kristin DeSimone, Kimmie Pringle, James Plumb, Justin S. Brandt, Steven K. Herrine, Patty Frew, Molly Osborne, James J. Buchino, David John Doukas, James Wu, Adam Rindfleish, Shanu Kohli Kurd, Karen Novielli, Phil Barbosa, Frederic W. Hafferty, Danielle Ku'ulei Potter, Michael G. Kavan, Chris Yingling and John C. Kairys; Part III. Cases about Physicians: 3. Principle of primacy of patient welfare John Spandorfer, Stephen Gordin, Jeffrey Ecker, Michael Campbell, J. Linsey Lane, Allen DeJong, Laura J. Fochtmann, Lois Snyder, Ira K. Schwartz, Stanley F. Wainapel, Lawrence Kaplan, H. Edward Seibert and Clara Callahan; 4. Principle of patient autonomy David Lambert, Kelly Fryer-Edwards, Monica Branigan, Catherine Belling, John Caruso, Thomas Tomlinson, Paul J. Bellino, Elaine C. Meyer, Kimberly Best, Sarah O'Brien, Susan L. Rattner and Lois Snyder; 5. Principle of social justice Howard Weitz, Bridget K. Gorman, Cynthia Brincat, Julia Puebla Fortier, Erin Wright, Walter Tsou, Kathleen Flynn Peterson, Thomas G. Sinas, Daniel Kremens, Susan Reichwein, Thomas J. Nasca and Linda L. Blank; 6. Commitment to honesty with patients Paul Brucker, Kayhan Parsi, Robin Miller, Michael Golinkoff, Elizabeth Kramer, Josephine Albrittin, Maryann Napoli, Barry D. Mann, Pamelar Sankar, Thomas H. Gallagher, James W. Pichert, Caroline Rhoads, Carolyn Prouty and Thomas H. Gallagher; 7. Commitment to patient confidentiality Irene Alexandraki, Paul Wolpe, Patrick Duff, Paul Sorum, Karen Edwards, Jon Veloski, Karl Doghramji, Richard Sobel, Jock Murray, Alvita Nathaniel, David Axelrod, Kayhan Parsi and John Spandorfer; 8. Commitment to improving quality of care Christine Laine, Steven R. Simon, Arthur Feldman, Peter Mattoon, Christine K. Cassel, Kenneth M. Ludmerer, David Garcia, Karen M. Glaser, Anne Drapkin Lyerly, Jo Anne L. Earp, Beth A. Lown, Adina Kalet, Jeremy Lazarus, John Morris, David J. Karras, Griffin Trotter and David Nash; 9. Commitment to maintaining trust by managing conflicts of interest Thomas W. LaGrelius, Martin Donohoe, Stephen Ray Mitchell, Jason Dana, Paul D. Indman, Stephen Latham, Armand Antommaria, Kathy Jensen, Jorge Galante, Sohail K. Mirza and Jordan C. Cohen; 10. Commitment to professional responsibilities Lois Snyder, Robert I. Brent, Neil Vidmar, Gregory C. Kane, Timothy Brigham, Josephine Albritton, Amy M. Haddad, Charles Yeo, Herbert Cohn, Dianne MacRae, Beth Ann Swan, E. Ray Dorsey, Brad Meier, Bernard Lopez, Henry C. Fader, Richard L. Cruess, Sylvia R. Cruess.