Hindu texts "Śruti" refers to the body of most authoritative, ancient religious texts, believed to be eternal knowledge authored neither by human nor divine agent but transmitted by sages ("rishis"). These comprise the central canon of Hinduism. It includes the four Vedas including its four types of embedded texts - the Samhitas, the Brahmanas, the Aranyakas and the early Upanishads. Of the "Shrutis" (Vedic corpus), the Upanishads alone are widely influential among Hindus, considered scriptures par excellence of Hinduism, and their central ideas have continued to influence its thoughts and traditions. The "Smriti" texts are a specific body of Hindu texts attributed
Historical Vedic religion the textual evidence suggests significant differences between the two. The Vedic religion is described in the Vedas and associated voluminous Vedic literature preserved into the modern times by the different priestly schools. The Vedic religion texts are cerebral, orderly and intellectual, but it is unclear if the theory in diverse Vedic texts actually reflect the folk practices, iconography and other practical aspects of the Vedic religion. The evidence suggests that the Vedic religion evolved in "two superficially contradictory directions", state Jamison and Witzel. One part evolved into ever more "elaborate, expensive, and specialized system of rituals", while another part questioned