Note 21 — Chapter XXXVIII · TIMÆUS AND KRITIAS.
Reading edition
In the Philêbus, p. 23 C-D, these three are recognised under the terms:— 1. Πέρας. 2. Ἄπειρον. 3. Αἰτία — τῆς ξυμμίξεως τούτων πρὸς ἄλληλα τὴν αἰτίαν.
Compare a curious passage of Plutarch, Symposiacon, viii. 2, p. 719 E, illustrating the Platonic phrase — τὸν θεὸν ἀεὶ γεωμετρεῖν.