This text analyzes the philosophical and psychological concept of "impression" and its relationship to the phenomenon of "mood." The author distinguishes three fundamental components of an impression: the external stimulus, the subjective reaction, and the internal state of being "tuned" or moved. When this state becomes independent of immediate circumstances and persists over time, it is defined as a mood. A key finding is that an individual's mood may not accurately reflect their actual situation due to its relative autonomy from current stimuli. However, the text draws a sharp distinction between individual disposition and collective mood within a broader community or society. Social mood is interpreted as a significant political and social indicator. The author warns that politicians who ignore or dismiss the general mood commit a serious error, as mood constitutes an essential part of social reality. The analysis concludes with etymological notes on Latin terms such as "afficio" and "affectus," providing further semantic context for understanding human affectivity and states of mind.