ἀγάπης δὲ οὐδὲν μεῖζον οὔτε ἴσον ἐστί → nothing is greater or equal to love
Ar. and P. γλισχρῶς.
importunately: P. λιπαρῶς (Plato).
obstinately: Ar. and P. αὐθάδως.