पातञ्जल योगसूत्र (स्वामी विवेकानन्द भाष्य एवं सूत्र व्याख्या)

Patanjali Yoga Sutras
universe, from gods to the lowest atom, that it is called
Kaivalya (isolation) and perfection. It is attained when this
mixture of purity and impurity called mind has been made as
pure as the PuruSa Itself; then the Sattva, the mind, reflects
only the unqualified essence of purity, which is the PuruSa
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