ἀνακαμπτέον
From LSJ
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
English (LSJ)
one must return, Sor.1.98, Philum. ap. Orib. 45.29.19.
Spanish (DGE)
hay que volver fig. de un tema interrumpido ἀ. δὲ ἐπὶ τὰ λοιπά Sor.75.26, πάλιν ἐπὶ τὰς κενώσεις Philum. en Orib.45.29.19.