Patanjali Yoga Sutra 3.44
Sanskrit Sutra
बहिरकल्पिता वृत्तिर्महाविदेहा ततः प्रकाशावरणक्षयः॥४४॥
Swami Vivekananda's translation
By making Samyama on the “real modifications” of the mind, outside of the body, called great disembodiedness, comes disappearance of the covering to light.
Chapter link: Yoga Sutra Chapter 3

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