The Yoga Sutras of Patanjali Text 2.18
The Yoga Sutras of Patanjali
Text 2.18
prakasa-kriya-sthiti-silam bhutendriyatmakam bhogapavargartham drsyam
TRANSLATION
That which is knowable has the nature of illumination, activity, and inertia [sattva, rajas, and tamas]. It consists of the senses and the elements, and exists for the purpose of [providing] either liberation or experience [to purusa].