εἰ βαθὺ τὸ τμῆμά ἐστι

From LSJ

κόραξ δ' ἐπαίνῳ καρδίην ἐχαυνώθη → the flattered crow was filled with pride, the flattered crow became elate in heart

Source

Greek > English (Woodhouse)

if the cut be deep