διευλαβητέον
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)
A one must take heed to, τὰ τοιαῦτα Id.R.536a.
Greek (Liddell-Scott)
διευλαβητέον: ῥημ. ἐπίθ. τοῦ διευλαβοῦμαι ταῦτα Πλάτ. Πολ. 536Α.