Mahabharata 14.26.2

एको गुरुर्नास्ति ततो द्वितीयो; यो हृच्छयस्तमहमनुब्रवीमितेनानुशिष्टा गुरुणा सदैव; पराभूता दानवाः सर्व एव

eko gururnāsti tato dvitīyo; yo hṛcchayastamahamanubravīmitenānuśiṣṭā guruṇā sadaiva; parābhūtā dānavāḥ sarva eva

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