Yoga Sutra 2.28 destruction of impurity and a growing light of knowledge
Sūtra II.28 From following up the methods of yoga, destruction of impurity and a growing light of knowledge up to Knowledge-of-the-difference Knowledge-of-the-difference when perfected, Knowledge-of-the-difference when mastered, attaining its ultimate fruit in the seven-fold ultimate state of knowledge, is the means to release. Every perfection must have its own means. He introduces the subject of…