Mahabharata 12.336.33

धर्मप्रतिष्ठाहेतोश्च मनुं स्वारोचिषं ततःअध्यापयामास तदा लोकानां हितकाम्यया

dharmapratiṣṭhāhetośca manuṃ svārociṣaṃ tataḥadhyāpayāmāsa tadā lokānāṃ hitakāmyayā

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