πολλὰ μεταξὺ πέλει κύλικος καὶ χείλεος ἄκρου → there is many a slip twixt cup and lip, there's many a slip twixt cup and lip, there's many a slip 'twixt cup and lip, there's many a slip twixt the cup and the lip, there's many a slip 'twixt the cup and the lip
subs.
Pay by instalments: P. ταξάμενος ἀποδιδόναι (Thuc. 3, 70) or κατὰ χρόνους ταξάμενος ἀποδιδόναι (Thuc. 1, 117).