 He defends – he's a member of the Nazi party and holds an office under the Nazi party, an office you couldn't hold if you were not a member of the party. And now is emerging his diaries, which are called the Black Books because they were in some black oil-skinned cover. And come to find out, he was a more thoroughgoing defender of the program of the Nazis than was previously known. And what does he teach really? Well, first of all, it's very complicated. Heidegger is a modern philosopher.