ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
exceed: P. and V. ὑπερβάλλειν.
prevail: P. and V. κρατεῖν, Ar. and P. ἐπικρατεῖν.