EN
In the text: Why is it difficult to define the notion of „logos”? I propose and defend the following thesis: the notion of logos weighed in the context of scientific discoveries (in physics and mathematics) is difficult to explicate and thus difficult to understand. I introduce two perspectives of the logos: the objective one connected with the structure of the world itself and the subjective one connected with a language, which allows us to to speak about the world itself (to learn). The analysis of this cogni- tive situation reveals a few interesting observations in epistemology and philosophical anthropology, which I present in the final part of the article.