Τί γὰρ γένοιτ' ἂν ἕλκος μεῖζον ἢ φίλος κακός; → What wound is greater than a false friend?
P. φιλοπόνως.
zealously: P. and V. σπουδῇ, προθύμως, P. σπουδαίως.
preservingly: V. ἐμπέδως.