οὐκ ἔσθ' ὅπως οὐ θαυμάζομεν

From LSJ

οὐ γὰρ γίνονται ἐκπλήξιες τῆς γνώμης οὔτε μετάστασις ἰσχυρὴ τοῦ σώματος → therefore, they experience no mental anxiety and no physical shocks

Source

Greek > English (Woodhouse)

we cannot but admire