ἔκδοτον σεαυτὴν τῷ σύροντι ποταμῷ τῶν πραγμάτων ἐᾶσαι → abandon yourself to the eddying flow of events
hўpŏgēum, ī, n. (ὑπόγειον), construction souterraine, cave : Vitr. Arch. 6, 11 || caveau [pour les morts], hypogée : Petr. 111, 2.