Yōga Sūtra 4.34

puruṣārthaśūnyānāṁ guṇānāṁ pratiprasavaḥ kaivalyaṁ svarūpapratiṣṭhā vā citiśaktiriti।

The end desirable goal of the soul is achieved when devoid of qualities, returning to original, one is established in the state of kaivalya. That is the power of Chitta.