ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
criterium criterii N M :: criterion/criteria, standard; rule
critērium, iī, n. (κριτήριον), das Urteil, Leo M. epist. 43.
κριτήριον
crĭtērĭum, ĭī, n. (κριτήριον), jugement : Leo Ep. 43.
*criterium, ii. n. :: 公堂。憑據
