Patanjali Yoga Sutra – Kaivalya Pada
Purusha knows the mind
4.18. Sada jnatascittavrttayastatprabhoh purusasyaparinnamitvat|
- Sada-always
- Jnatah-are known
- Chittavrttayah-modifications of mind
- Tatprabhoh-on its master
- Purusasya-of the purusha
- Aparinamitvat-due to changelessness
Purusha, the master of chitta, is chnageless, therefre, he always knows the modifications of the mind.