Mahabharata 13.23.24

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

किं परं ब्रह्मचर्यस्य किं परं धर्मलक्षणम्किं च श्रेष्ठतमं शौचं तन्मे ब्रूहि पितामह

kiṃ paraṃ brahmacaryasya kiṃ paraṃ dharmalakṣaṇamkiṃ ca śreṣṭhatamaṃ śaucaṃ tanme brūhi pitāmaha

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