Skanda Purana 16.305.19

16.305.19

śuddhajyotiḥsvarūpāya nirmūrtāyāmalātmane ..
variṣṭhāya vareṇyāya sarvasmai paramātmane .. 19 ..

To the one whose form is pure radiance, who is formless, the spotless self, / the highest, the most desirable, the all, the supreme self;