Origin of the Liṅga (liṅgodbhava) - Verse 90

अघोरहृदयं हृद्यं वामगुह्यं सदाशिवम। सद्यः पादं महादेवं महाभोगीन्द्रभूषणम।।

aghorahṛdayaṃ hṛdyaṃ vāmaguhyaṃ sadāśivam| sadyaḥ pādaṃ mahādevaṃ mahābhogīndrabhūṣaṇam||