ο φίλος τον φίλον εν πόνοις και κινδύνοις ου λείπει → a friend does not abandon his friend in difficulties and in danger, a friend in need is a friend indeed
ἀπατάω, διαψεύδω, ἁλιόω, ἀτέμβω, ἐμπαίζω, ἐλεφαίρομαι, ἀποστερέω, ἀντισπάω, ἀδικέω