tat saṃvidrūpatvaṃ sudkhādīnāṃ siddhaṃ kasmāt / sukhādīnāṃ svasaṃvida svasaṃvedanasya vyaktatvāt /
That [fact of] pleasure etc. having the nature of consciousness is established - how? Because of the manifestness of their self-awareness through their own consciousness.