The most famous piece of philosophy from them might be the declaration "tat tvam asi" [tutt twam uh-see] or simply "you are that," in clarifying an individual's identity.
One of them claims that the ascent to the summit of consciousness is not for the timid – "sharp like a razor's edge . . . is the path to Reality, difficult to traverse." Another describes fourth stage of being that lies beyond waking, dreaming, and dreamless sleep and which is known as turiya. Another tells of Nachiketa who receives three boons from the god of Death. The most famous piece of philosophy from them might be the declaration "tat tvam asi" [tutt twam uh-see] or simply "you are that," in clarifying an individual's identity. In addition to those described – the Isha, Katha, and Chandogya – there are at least 105 more, though eleven principal ones are said to exist. Chiefly concerned with the distinctions between individual and collective souls or Atman and Brahman, FTP, name this group of sacred Hindu texts also known as the Vedantas due to their commentary and closure to the Vedas.
One of them claims that the ascent to the summit of consciousness is not for the timid – "sharp like a razor's edge . . .
{Upanishads} [ooh-pah-nee-shaads] (accept early buzz of {Vedantas})