ἄκων ποιεῖν τι
From LSJ
Ῥᾴθυμος ἐὰν ᾖς, πλούσιος πένης ἔσῃ → Si dives es pigerque, mox iners eris → Dein Leichtsinn macht alsbald dich arm, seist du auch reich
Greek > English (Woodhouse)
be loath to do a thing, do a thing intentionally, do a thing reluctantly, do a thing involuntarily