Yoga Sūtra Chapter Four verse 34

पुरुषार्थशून्यानां गुणानांप्रतिप्रसवः कैवल्यं स्वरूपप्रतिष्ठा वा चितिशक्तिरिति ॥३४॥

puruṣa-artha-śūnyānāṃ guṇānāṃ pratiprasavaḥ kaivalyaṃ svarūpa-pratiṣṭhā vā citi-śaktiḥ iti ||34||

Thus the attributes of nature, empty of purpose,
going back to their origin is abstraction or,
foundation in the own character of the animating principle
is the power of awareness.

puruṣa - animating principle, self, consciousness, spiritartha - purposeśūnya - emptyguṇa - attributes of nature; qualitiespratiprasava - going back to their originkaivalya - independence, freedom, solitude, separateness, abstraction, not connected with anything else; uncompounded, unmingledsva - ownrūpa - formpratiṣṭha - established - orcit - awareness, to cause to comprehend, to observe, perceiveśakti - poweriti - thus

Commentaries and Reflections

Paul Harvey:

Cit or awareness is at the heart of Yoga.
Neither full nor empty, nor mine nor yours.
Awareness is as it is and is as it isn’t.