Martin Heidegger secularizes the Single One of Kierkegaard, that is, he severs the relation to the absolute for which Kierkegaard’s man becomes a Single One.
Martin Heidegger showed that how misguided was the search for metaphysically certain foundations in knowledge, language, meaning, mathematics, and morality, which stretched through Descartes and all the way back to Plato.
Martin Heidegger's greater glory is that all thinkers of the past twenty-five hundred years were so tragically off the track.
Martin Heidegger is a reserved and insecure man, unable to look into another’s eyes, for he lacked the gift of candid communication with other people. Hence his natural expression was one of cautious, peasant-sly mistrust
Martin Heidegger is a devil who behaved like a devil to his beloved teacher, Husserl, and had a devilish influence on Germany. One has to read Heidegger in the original to see what a swindler he was.
Martin Heidegger's lecturing method consisted in constructing an edifice of ideas, which he himself then dismantled again so as to baffle fascinated listeners, only to leave them up in the air.
Martin Heidegger's major ideas were sufficiently protean that with a bit of tinkering they could easily be adopted by the left, which they were.
Martin Heidegger's arguments' forcefulness depend in large part on his personality, on the slow intensity of his speech and his prophetic solemnity.