communications. Just as we call the idea of living things biology, just so the presentation and full articulation of all beings, dominated as they now are everywhere by the nature of the technical, may be called technology. The expression may serve as a term for the metaphysics of the atomic age. Viewed from the present and drawn from our insight into the present, the step back out of metaphysics into the essential nature of metaphysics is the step out of technology and technological description and interpretation of the age, into the essence of modern technology which is still to he thought.

This remark ought to prevent the other obvious misinterpretation of the term "step back": the view that the step back consists in a historical return to the earliest thinkers of Western philosophy. The "whither" to which the step back directs us, develops and shows itself only in the execution of the step.

In order to gain perspective in the seminar on the whole of Hegelian metaphysics, we chose as a temporary expedient an interpretation of the section which opens the first book of the Science of Logic, "The doctrine of Being." The section title alone gives us in each of its words enough to think about. It reads: "With what must the beginning of science be made?" Hegel's answer to this question consists in the demonstration that the beginning is "of a speculative nature." This means: the beginning is neither something immediate nor something mediated. We tried to express


Identity and Difference (GA 11) by Martin Heidegger