Hindu texts Prior to the start of the common era, the Hindu texts were composed orally, then memorized and transmitted orally, from one generation to next, for more than a millennia before they were written down into manuscripts. This verbal tradition of preserving and transmitting Hindu texts, from one generation to next, continued into the modern era. The Vedas are a large body of Hindu texts originating in ancient India, with its Samhita and Brahmanas complete before about 800 BCE. Composed in Vedic Sanskrit hymns, the texts constitute the oldest layer of Sanskrit literature and the oldest scriptures of Hinduism. Hindus consider
Vedas inspired later Hindu scholars such as Adi Shankara to classify each Veda into "karma-kanda" (कर्म खण्ड, action/ritual-related sections) and "jnana-kanda" (ज्ञान खण्ड, knowledge/spirituality-related sections). The texts considered "Vedic" in the sense of "corollaries of the Vedas" is less clearly defined, and may include numerous post-Vedic texts such as the later Upanishads and the Sutra literature. Texts not considered to be "shruti" are known as "smriti" (Sanskrit: ""; "the remembered"), or texts of remembered traditions. This indigenous system of categorization was adopted by Max Müller and, while it is subject to some debate, it is still widely used. As Axel Michaels