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.
Albinus (philosopher) of Plato into four classes, logical, critical, physical, ethical, and mentions another division of them into Tetralogies, according to their subjects. He advises that the Alcibiades, Phaedo, Republic, and Timaeus, should be read in a series. Some of Albinus's fame is attributed to the fact that a 19th-century German scholar, J. Freudenthal, attributed Alcinous's "Handbook of Platonism" to Albinus. This attribution has since been discredited by the work of John Whittaker in 1974. Another Albinus is mentioned by Boethius and Cassiodorus, who wrote in Latin some works on music and geometry. Albinus (philosopher) Albinus (; fl. c. 150 AD) was