Philosophy and Methodology of Kriya Yoga
As yoga was defined in I.2 in terms of the suppression of vṛttis, so here kriyā-yoga is defined in terms of the weakening, tanū-karaṇa, of what we will discover are the underlying cause of the vṛttis, the kleśas.
Edwin F. Bryant • The Yoga Sutras of Patañjali: A New Edition, Translation, and Commentary
Sāṅkhya provides the metaphysical infrastructure for Yoga and thus is indispensable to an understanding of Yoga.
Edwin F. Bryant • The Yoga Sutras of Patañjali: A New Edition, Translation, and Commentary
The third section is called the Portion on Accomplishments (Vibhuti Pāda) and discusses the final three inner steps of Rāja Yoga plus all the powers and accomplishments which could come to the faithful practitioner. The final section is called the Portion on Absoluteness (Kaivalya Pāda) and discusses Yoga from a more cosmic, philosophical viewpoint
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