Hatha yoga ethics, diet, cleansing, pranayama (breathing exercises), meditation and a system for spiritual development of the yogi. The Hatha yoga texts place major emphasis on "mitahara", which connotes "measured diet" or "moderate eating". For example, sections 1.58 to 1.63 and 2.14 of the "Hatha Yoga Pradipika" and sections 5.16 to 5.32 of "Gheranda samhita" discuss the importance of proper diet to the body. They link the food one eats and one's eating habits to balancing the body and to gaining most benefits from the practice of Hatha yoga. Eating, states "Gheranda samhita", is a form of a devotional act to the
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