2. See Memoirs, 1.2.32–38 (pp. 78–80).
3. Leon of Salamis: see Hellenica, 2.3.39; Plato, Apology, 32c-d.
4. This behaviour was not actually made illegal in Athens until later. Xenophon is expressing his (and/or Socrates’) opinion. See also p. 42, n. 1.
5. See Plato, Apology, 38d-e.