λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain
πού, πῄ, ἔμπας, ἔμπης, ὁποτερωσοῦν, ὁπωσδή, ἀμῶς, ἁμῶς, ὁπωσοῦν