ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
adj.
Slow: P. and V. βραχύς. Stately: P. and V. σεμνός. Rhythmical: Ar. and P. εὔρυθμος; see rhythmical.
