yaṁ labdhvā chāparaṁ lābhaṁ manyate nādhikaṁ tataḥ
yasmin sthito na duḥkhena guruṇāpi vichālyate||22||

Meaning : Having attained which, a person considers no other gain greater than this, and who, being firmly established in it, is not shaken even by severe sorrow, that is the highest state of Yoga.