[62]. Fr. 392.
[63]. Terms used by Heraclitus (Fr. 24), adapted by the Stoics for the periodic conflagration and renewal of the universe.
[64]. Timaeus, 31 A and 55 E foll.
[65]. De Caelo, 1, 8-9, 276 a 18.
[66]. Il. 15, 190.
[67]. See Iph. Aul. 865 and Herc. Fur. 1221.
[68]. P. 409 A.
[69]. Pp. 255-6.
[70]. P. 23 D and p. 66 C.