Λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος – A true friend is grief's physician.
unyielding: P. ἰσχυρός, V. ἔμπεδος.
firm, secure: P. and V. βέβαιος.
persevering: P. and V. λιπαρής (Plato), Ar. γλισχρός.
ceaseless: P. ἄπαυστος; see incessant.
