Mahabharata 12.206.1

गुरुरुवाचरजसा साध्यते मोहस्तमसा च नरर्षभक्रोधलोभौ भयं दर्प एतेषां साधनाच्छुचिः

gururuvācarajasā sādhyate mohastamasā ca nararṣabhakrodhalobhau bhayaṃ darpa eteṣāṃ sādhanācchuciḥ

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