αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)
dat. sg. épq. de ὅστις.
see ὅστις.
ὅτεῳ: эп.-ион. dat. к ὅστις.