Preface -- Acknowledgments -- Introduction -- Translating Heidegger's Contributions to philosophy as a hermeneutic responsibility -- On "Echo," the first part of Contributions to philosophy -- The place of the pre-Socratics in "Playing forth," the second part of Contributions to philosophy -- "De-cision" in Contributions to philosophy and the path to the Interpretation of Heraclitus fragment 16 -- On the last part of Contributions to philosophy, "Be-ing," its liberating ontology, and the hints at the question of God -- On the inception of being-historical thinking and its active character, mindfulness -- Mastery of be-ing and coercive force of machination in Heidegger's Contributions to philosophy and Mindfulness and the opening to his Nietzsche interpretation -- Heidegger and Christianity: a look at his correspondence with Bernhard Welte -- Questioning Richardson's "Heidegger I, Heidegger II" distinction and his response in light of Contributions to philosophy -- Notes -- Bibliography -- General index -- Index of Greek terms.