Preface; Acknowledgments; Introduction, by Michael Weisberg and Jeffrey Kovac.; 1 Trying to Understand, Making Bonds, by Roald Hoffmann; Part 1: Chemical Reasoning and Explanation; 2. Why Buy That Theory?, by Roald Hoffmann.; 3. What Might Philosophy of Science Look Like If Chemists Built It?, by Roald Hoffmann; 4. Unstable, by Roald Hoffmann; 5. Nearly Circular Reasoning, by Roald Hoffmann; 6. Ockham's Razor and Chemistry, by Roald Hoffmann, Vladimir I. Minkin, and Barry K. Carpenter; 7. Qualitative Thinking in the Age of Modern Computational Chemistry, or What Lionel Salem Knows, by Roald Hoffmann; 8. Narrative, by Roald Hoffmann; 9. Learning from Molecules in Distress, by Roald Hoffmann and Henning Hopf; 10. Why Think Up New Molecules? by Roald Hoffmann; 11. Protean, by Roald Hoffmann and Pierre Laszlo; 12. How Should Chemists Think? by Roald Hoffmann; Part 2: Writing and Communicating in Chemistry; 13. Under the Surface of the Chemical Article, by Roald Hoffmann; 14. Representation in Chemistry, by Roald Hoffmann and Pierre Laszlo; 15.. The Say of Things, by Roald Hoffmann and Pierre Laszlo; 16. How Symbolic and Iconic Languages Bridge the Two Worlds of the Chemist: A Case Study from Contemporary Bioorganic Chemistry, by Emily R. Grosholz and Roald Hoffmann; 17 How Nice to Be an Outsider, by Roald Hoffmann; 18. The Metaphor, Unchained, by Roald Hoffmann,; Part 3: Art and Science; 19. Art in Science? by Roald Hoffmann; 20. Science and Crafts by Roald Hoffmann; 21. Molecular Beauty, by Roald Hoffmann; Part 4 Chemical Education; 22. Teach to Search by Roald Hoffmann; 23. Some Heretical Thoughts on What Our Students Are Telling Us, by Roald Hoffmann and Brian P. Coppola; 24 Very Specific Teaching Strategies, and Why They Work, by Roald Hoffmann and Saundra Y. McGuire; Part 5 Ethics in Science; 25. Mind the Shade, by Roald Hoffmann; 26. Science and Ethics: A Marriage of Necessity and Choice for this Millennium,>" by Roald Hoffmann; 27. Honesty to the Singular Object, by Roald Hoffmann; 28. The Material and Spiritual Rationales Are Inseparable, by Roald Hoffmann; Index