This text presents a conceptual analysis of the notions of "extremes" and the "middle" or "middleness." The author distinguishes two primary ways of understanding extremes: from the perspective of an external observer comparing occurrences and from the viewpoint of an integrated whole defined by its own boundaries and internal functions. In this context, extremity signifies marginality, though spatial or temporal edges do not necessarily imply insignificance. The author also considers that a boundary is not a mere line but an area, which further complicates the relationship between the interior and exterior. Furthermore, a quantitative perspective is introduced, based on measurement and comparison, typically illustrated by the Gaussian curve. In this model, middleness equates to average frequency, while extremes represent rare exceptions. Finally, the author examines the axiological status of these concepts. While the "golden mean" is the ideal in certain contexts, in others, the maximum—an extreme—is the most desirable goal. The valuation of the middle versus the extreme depends on the context, where low frequency is not a defect but represents a peak value.