"Version: 20210207"--Title page verso.Includes bibliographical references.part I. What we probably know. 1. The Standard Models--overview and perspective -- 1.1. The large number of solutions to string/M-theory is not an obstacle to finding a theory that describes nature -- 1.2. String theorists study theories, not phenomena -- 1.3. Nutcracker -- 1.4. Why the Standard Model is true--it will be …