Seated meditation on 15); the higher is that relating to the fundamental constituents of existence (guna) (1.16). This higher detachment emerges only after the self (purusa) has been experienced. There are no unequivocal statements in book 1 of the Yoga Sutras about exactly when the vision of the self takes place but the likelihood is that the truth-bearing insight (rtambharaprajna) mentioned in 1.48 is just such an experience. This is because the primary aim of yoga practice is the eradication of suffering (duhkha). The root cause of suffering, according to the Yoga Sutra, is the conjunction between two ontologically distinct entities: self or spirit (purusa) and nature or matter (prakrti) (2. Seated meditation 2016.
Seated meditation Yoga Poses 8.