Yoga Sutras of Patanjali. The Path of Knowledge, Contemplation, and Freedom

This ancient text presents the core ideas of philosophy, psychology, and practice of yoga. It describes cognitive processes, structures of the mind, levels of development, unconscious functions, causes and factors that distort the perception of reality and generate false identifications. It also provides a systematic classification of higher: cognitive states and the foundations of contemplative practices. The edition contains the Devanagari text, transliteration, multiple variants of word-for-word and literary translations, notes, and the necessary reference materials.