Verse 15

निरानन्दोऽपि सानन्दः सच्चासच्चापि तत्र सः ।आसीन्न किंचित्किंचित्तत्प्रकाशस्तिमिरं यथा

In plain words

There he was -- without ānanda, yet full of ānanda; both sat and asat as well; neither anything at all, nor yet nothing -- that very light of his, there, as if it were darkness.