Christian faith and that of philosophy, would today rather remain silent about God when he is speaking in the realm of thinking. For the onto-theological character of metaphysics has become questionable for thinking, not because of any kind of atheism, but from the experience of a thinking which has discerned in onto-theo-logy the still unthought unity of the essential nature of metaphysics. This nature of metaphysics, however, still remains what is most worthy of thought for thinking, as long as thinking does not break off the conversation with its tradition, permeated by destiny, in an arbitrary manner thus unrelated to destiny.

In the fifth (1949) edition of What is Metaphysics?, a new introduction explicitly refers to the onto-theological nature of metaphysics. But it would be rash to assert that metaphysics is theology because it is ontology. One would say first: Metaphysics is theology, a statement about God, because the deity enters into philosophy. Thus the question about the onto-theological character of metaphysics is sharpened to the question: How does the deity enter into philosophy, not just modern philosophy, but philosophy as such? This question can be answered only after it has first been sufficiently developed as a question.

We can properly think through the question, How does the deity enter into philosophy?, only when that to which the deity is to come has become sufficiently clear: that is, philosophy itself. As


Identity and Difference (GA 11) by Martin Heidegger