Mahabharata 12.156.6

आचारानिह सत्यस्य यथावदनुपूर्वशःलक्षणं च प्रवक्ष्यामि सत्यस्येह यथाक्रमम्

ācārāniha satyasya yathāvadanupūrvaśaḥlakṣaṇaṃ ca pravakṣyāmi satyasyeha yathākramam

Our plain-language meaning of this verse is waiting for scholar review.