Being and Time essence of being is time is the opposite of Hegel's view that being is the essence of time. Karl Jaspers, writing in the first volume of his work "Philosophy" (1932), credited Heidegger with making essential points about "being in the world" and also about "existence and historicity". Heidegger's work has been suggested as a possible influence on Herbert Marcuse's "Hegel's Ontology and the Theory of Historicity" (1932), though Marcuse later questioned the political implications of Heidegger's work. Jean-Paul Sartre, who wrote "Being and Nothingness" (1943) under the influence of Heidegger's work, has been said to have responded to "Being and
Philosopher king model and ideas of the philosopher-king as described in "The Republic". Ayatollah Khomeini is said to have been inspired by the Platonic vision of the philosopher king while in Qum in the 1920s when he became interested in Islamic mysticism and Plato's Republic. As such, it has been speculated that he was inspired by Plato's philosopher king, and subsequently based elements of his Islamic republic on it, despite it being a republic which deposed the former Pahlavi dynasty. Karl Popper blamed Plato for the rise of totalitarianism in the 20th century, seeing Plato's philosopher kings, with their dreams of 'social