φύγωμεν οὖν τὴν συνήθειαν ... ἄγχει τὸν ἄνθρωπον, τῆς ἀληθείας ἀποτρέπει → so let's stay away from the habitual ... it strangles us, turns us away from the truth
Rechtsbestimmung, ius (z.B. feste, certum).