प्रकाशतात्मन्यचले सच प्रोक्तोऽप्यनश्वरः ।
ज्ञानस्य करणत्वेन भवेच्चेदनवस्थितिः ॥४८॥
prakāśatātmanyacale saca prokto'pyanaśvaraḥ |
jñānasya karaṇatvena bhaveccedanavasthitiḥ
Luminosity resides in the unmoving self; and that (luminosity), though (here) so spoken of, is imperishable. (Whereas) if cognition itself were (made) an instrument (requiring a further cognition to reveal it), infinite regress (would follow).