The great god, it appears, gave that boon to Nahusha for plunging all creatures into grief. That wretched behaves most unrighteously towards the Brahmanas.
प्रायच्छत वरं देवः प्रजानां दुःखकारणम्। द्विजेष्वधर्मयुक्तानि स करोति नराधमः॥