τὸν ἰητρὸν δοκέει μοι ἄριστον εἶναι πρόνοιαν ἐπιτηδεύειν → it appears to me a most excellent thing for the physician to cultivate prognosis
P. and V. ὑγιής.
expedient: P. and V. χρήσιμος, πρόσφορος, σύμφορος; see expedient.