[602] Plato apparently regarded his dialogues as mere trifles compared with what he taught to his inner circle.
[603] Plato, Phaedr. 278 D.
[604] Xen. Anab. vii. 5. 14.
[605] Xen. Mem. iv. 2.
[606] Xen. Horsemanship, i.
[607] Xen. Econ. xvi.
[608] Aristot. Pol. i. 11. 7.
[609] Plato, Gorg. 518 B.
[610] Aristot. Pol. ii. 3. 9.
[611] Plato, Apol. 26 D.