The lecture examines the concept of "arché" in the Presocratics, understood not only as a general concept but primarily as an intentional object – a mental construct distinct from a real thing. It discusses how this distinction between a mental model and reality can lead to confusions, for example with Thales, Anaximander, and Anaximenes, where abstractions (water, apeiron, air) might be confused with concrete entities. A similar issue arises in geometry and theology, where the properties of a constructed intentional object are used to infer the nature of actual reality. The second part of the lecture addresses ethics, where moral commands and prohibitions are also intentional objects. It emphasizes the importance of conscience and sensitivity to the specific situation over dogmatic "moralizing." The lecture points to a void in contemporary culture and the need to cultivate the ability to listen to "reality," even when we cannot fully grasp it, warning against mistaking our mental constructs for reality itself.