Shiva Purana
सो ऽपि श्रुत्वा विधिर्दुःखं सुराणां कृपयान्वितः ॥ आसीद्दैत्यवधायैव स्मृत्वा हेत्वाश्रयां कथाम् ॥ २० ॥
When Vidhi heard the distress of the demigods he was filled with compassion He remembered the story of the cause and effect of killing the demon.
english translation
so 'pi zrutvA vidhirduHkhaM surANAM kRpayAnvitaH ॥ AsIddaityavadhAyaiva smRtvA hetvAzrayAM kathAm ॥ 20 ॥
hk transliteration by Sanscript