Verse 51

स्नेहसंक्षयमेवाङ्ग विदुः कैवल्यमुत्तमम् ।तत्संभवति देहस्य भावे चाभाव एव च

In plain words

The wise know the utter wasting away of sneha alone, dear one, to be the supreme kaivalya; it comes to be whether the body exists or does not exist.