20

20. Clem. Al. Strom. v. 14, p. 711 (Euseb. P. E. xiii. 13, p. 676). First clause: Plut. de anim. procr. 5, p. 1014 A. Last clause: Sim. in Arist. de coelo, p. 132, Kars.; Olympiod. in Plat. Phaed. p. 201, Finc. Bywater traces the thought through writers of Stoical school.

μέτρῳ Euseb. ed. Steph. p. 132.