πολλῶν ὑπῆρξεν Οἰδίπου κακῶν δόμοις τοδ'ἦμαρ
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 > Greek (Woodhouse Quotes Reversed)
this day has been the beginning of many troubles for the house of Œdipus