From Wikipedia:

• ἔπειθον ἀποτρέπεσθαι· οἱ δ’ οὐχ ὑπήκουον – They urged them to turn back, but they wouldn’t listen.
• ταῦτα δὲ οὐκ ἂν ἐδύναντο ποιεῖν, εἰ μὴ διαίτῃ μετρίᾳ ἐχρῶντο – They wouldn’t be able to do this if they weren’t following a temperate diet.