Patanjali Yoga Sutra 4.25

Sanskrit Sutra

तदा विवेकनिम्नं कैवल्यप्राग्भावं चित्तम्॥२५॥

Swami Vivekananda's translation

Then, bent on discriminating, the mind attains the previous state of Kaivalya (isolation).[3]

Chapter link: Yoga Sutra Chapter 4