σταγόνες ὕδατος πέτρας κοιλαίνουσιν → 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
subs.
See vice.
Bitterness: P. and V. πικρότης, ἡ.
Of horse: P. χαλεπότης, ἡ (Xen.).