and ever with sure step he leaps, and passes from horse to horse, while they speed on;
ὃ δ' ἔμπεδον ἀσφαλὲς αἰεὶ θρῴσκων ἄλλοτ' ἐπ' ἄλλον ἀμείβεται , οἳ δὲ πέτονται ·
ὁ δέ ἔμπεδος ἀσφαλής ἀεί θρῴσκω ἄλλοτε ἐπί ἄλλος ἀμείβω , ὁ δέ πέτομαι ·