Setting the Stage -- The Conditions in Which We Find Ourselves -- Guideposts for This Work -- First Moment: Heidegger and Non-Dual Thinking, Inseparable Phenomenon -- Second Moment: Heidegger and Non-Conceptual Language as Saying -- Third Moment: Heidegger and the Symbiosis of Translation and Thinking, from Saying -- Fourth Moment: Heidegger and Engaging in the Retrieval of Greek Thinking-Saying -- Fifth Moment: Time-Space as Ab-ground - Ab-grounding and Timing-Spacing