Mahabharata 12.66.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

श्रुता मे कथिताः पूर्वैश्चत्वारो मानवाश्रमाःव्याख्यानमेषामाचक्ष्व पृच्छतो मे पितामह

śrutā me kathitāḥ pūrvaiścatvāro mānavāśramāḥvyākhyānameṣāmācakṣva pṛcchato me pitāmaha

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