πέτρην κοιλαίνει ρανὶς ὕδατος ἐνδελεχείῃ → constant dropping wears away a stone, constant dripping will wear away the hardest stone, little strokes fell big oaks, constant dripping wears the stone, constant dropping wears the stone, constant dripping will wear away a stone
Matrŏna: ae, m. (f., Aus. Mos. 462; Sid. Pan. 812),
I a river in Gaul, now the Marne, Caes. B. G. 1, 1, 2; Amm. 15, 11, 3; Aus. Mos. 462; Sid. Carm. 5, 208.