Hatha yoga In all three texts, meditation is the ultimate goal of all the preparatory cleansing, asanas, pranayama and other steps. The aim of this meditation is to realize "Nada-Brahman", or the complete absorption and union with the Brahman through inner mystic sound. According to Guy Beck – a professor of Religious Studies known for his studies on Yoga and music, a Hatha yogi in this stage of practice seeks "inner union of physical opposites", into an inner state of samadhi that is described by Hatha yoga texts in terms of divine sounds, and as a union with "Nada-Brahman" in musical literature
Vedas and "Know your Ātman" their thematic focus. The Upanishads are the foundation of Hindu philosophical thought and its diverse traditions. Of the Vedic corpus, they alone are widely known, and the central ideas of the Upanishads have influenced the diverse traditions of Hinduism. "Aranyakas" are sometimes identified as "karma-kanda" (ritualistic section), while the Upanishads are identified as "jnana-kanda" (spirituality section). In an alternate classification, the early part of Vedas are called Samhitas and the commentary are called the Brahmanas which together are identified as the ceremonial "karma-kanda", while "Aranyakas" and "Upanishads" are referred to as the "jnana-kanda". The Vedangas developed