Gaṅgā-māhātmya: Siddha–Śilavṛtti-saṃvāda and Gaṅgā-stava (गङ्गामाहात्म्यं—सिद्ध-शिलवृत्ति-संवादः)
यः प्रवृत्तां श्रुतिं सम्यक् शास्त्र वा मुनिभि: कृतम् । दूषयत्यनभिज्ञाय त॑ विद्याद् ब्रह्मघातिनम्
yaḥ pravṛttāṃ śrutiṃ samyak śāstraṃ vā munibhiḥ kṛtam | dūṣayaty anabhijñāya taṃ vidyād brahmaghātinam ||
Bhishma berkata: Siapa yang tanpa pemahaman sejati mencela Śruti yang menetapkan tata laku benar, atau śāstra yang disusun para resi, ketahuilah ia sebagai pelaku brahma-hatyā—pelanggaran rohani yang berat terhadap dasar-dasar dharma.
भीष्म उवाच
Do not condemn Śruti or sage-authored Śāstra without proper understanding; such reckless disparagement is treated as a grave offense because it erodes the very sources that guide dharma and right conduct.
In Bhīṣma’s instruction on dharma (Anuśāsana Parva), he warns the listener that ignorant criticism of Vedic injunctions and authoritative teachings is spiritually dangerous and socially harmful, and he classifies the offender among the gravely sinful.