Being and Time Heidegger's "description of the world of phenomena" to be "fascinating, but maddeningly abstract". He suggests that much of "Being and Time" is a "description of a private spiritual journey" rather than genuine philosophy, and notes that Heidegger's assertions are unsupported by argument. Stephen Houlgate compares Heidegger's achievements in "Being and Time" to those of Kant in the "Critique of Pure Reason" (1781) and Hegel in "The Phenomenology of Spirit" (1807) and "Science of Logic" (1812-1816). Simon Critchley calls the work Heidegger's "magnum opus", and writes that it is impossible to understand developments in continental philosophy after Heidegger without understanding it.
Haribhadra (Buddhist philosopher) through four kayas: svabhavikakaya, [jnana]dharmakaya, sambhogakaya and nirmanakaya. Haribhadra's position was in turn challenged by Ratnākaraśānti and Abhayakaragupta. In Tibet the debate continued, with Je Tsongkhapa championing Haribhadra's position and Gorampa of the Sakya school promoting the other. Haribhadra (Buddhist philosopher) Haribhadra (, , Tib. "seng-ge bzang-po") was an 8th-century CE Buddhist philosopher, and a disciple of Śāntarakṣita, an early Indian Buddhist missionary to Tibet. Haribhadra's commentary on the "Abhisamayalankara" was one of the most influential of the twenty-one Indian commentaries on that text, perhaps because of its author's status as Shantarakshita's student. Like his master, Haribhadra is retrospectively considered