Mahabharata 13.107.137

मातुः पितुर्गुरूणां च कार्यमेवानुशासनम्हितं वाप्यहितं वापि न विचार्यं नरर्षभ

mātuḥ piturgurūṇāṃ ca kāryamevānuśāsanamhitaṃ vāpyahitaṃ vāpi na vicāryaṃ nararṣabha

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