[65] ‘[stultitia] semper incipit vivere: quam foeda [est] hominum levitas cottidie nova vitae fundamenta ponentium, novas spes in exitu incohantium! quid est turpius quam senex vivere incipiens?’ ib. 13, 16 and 17.

[66] ‘Zeno is erat qui ... id appellaret honestum, quod esset simplex quoddam et solum et unum bonum’ Cic. Ac. i 10, 36. So Seneca: ‘quid est sapientia? semper idem velle atque idem nolle’ Sen. Ep. 20, 5.

[67] See above, § [81].

[68] Whether by Zeno (Diog. L. vii 87), or by Cleanthes (Stob. ii 7, 6 a: Arnim i 552) is a matter of no importance.

[69] See above, § [108]. The emphasis on individual nature is sometimes still greater; ἡ ἀρετὴ τελειότης ἐστὶ τῆς ἑκάστου φύσεως Galen plac. Hipp. et Plat. v 5, p. 468 K (from Chrysippus).

[70] Diog. L. vii 87 and 88.

[71] Stob. ii 7, 6 a. See also above, § [258].

[72] Stob. ii 7, 6 a.

[73] See below, § [320].

[74] Παναίτιος τὸ ζῆν κατὰ τὰς δεδομένας ἡμῖν ἐκ φύσεως ἀφορμὰς τέλος ἀπεφήνατο Clem. Al. Strom. ii 21, 129.