उद्योगपर्व — विदुरनीतिः (Adhyāya 37): आयुःक्षयहेतवः, नीतिसूत्राणि, बलभेदाः, पाण्डव-विग्रहदोषदर्शनम्
न च रात्रौ सुखं शेते ससर्प इव वेश्मनि । यः कोपयति निर्दोषं सदोषो5भ्यन्तरं जनम्
na ca rātrau sukhaṃ śete sa-sarpa iva veśmani | yaḥ kopayati nirdoṣaṃ sa-doṣo 'bhyantaraṃ janam ||
Vidura berkata: Seseorang yang dirinya bersalah, namun membangkitkan kemarahan anggota keluarganya yang tidak bersalah, tidak akan dapat tidur lena pada malam hari—seperti orang yang cuba berehat di rumah yang ada ular. Sengatan batin akibat kesalahan dan bahaya yang dicipta oleh amarah yang zalim memusnahkan ketenteraman.
विदुर उवाच
One who is himself guilty but directs anger toward an innocent close person creates inner fear and moral unrest; such wrongdoing destroys peace of mind, just as the presence of a snake makes a house unsafe for restful sleep.
In Vidura’s counsel (Vidura-nīti) during the Udyoga Parva, he warns against unjust anger and mistreatment within one’s own circle, using a vivid simile to show how ethical failure immediately rebounds as anxiety and sleeplessness.