Devanagari scriptइदं प्रियाय पुत्राय शिष्यायानुगताय तु रहस्यधर्मं वक्तव्यं नान्यस्मै तु कथंचन //
TranslationVerse (39) states that one who follows Dharma with sincerity receives protection and the grace of the Divine.
Word by Wordanugatāyato an obedient one rahasya-dharmamthe secret teaching/duty vaktavyamshould be spoken/taught kathaṃcanain any way (at all) 
SpeakerVyāsa (teacher) specifying the proper transmission line—family or guru–śiṣya