Patanjali Yoga Sutra – Kaivalya Pada
Mind is not self-illumintive
4.19. Na tatsvabhasam drsyatvat|
- Na-not
- Tat-that
- svabhasam –self-illumined
- drsyatvat-of perceptibility
That chitta is not self-illumined because it is the subject of knowledge and perception.