This text examines the nature of the act of thought through the lens of intentionality. The author argues that the primary characteristic of thinking is its focused and concentrated intentionality; without this specific focus, one cannot speak of "thinking" in the proper sense of the word. However, the text also seeks to refine the common understanding of intentionality, which often suggests a simple conscious intent or purpose. Thinking encompasses various types of intentions that go beyond mere explicit goals. Every performance, whether cognitive or otherwise, possesses a dual dimension: while it is focused on a specific objective, it simultaneously – and often unintentionally – reveals something fundamental about the agent who performs the act. The analysis thus focuses on the relationship between intentional focus and the unintentional expressivity of human action. By exploring these nuances, the document contributes to a deeper understanding of the boundaries between conscious thought and other forms of mental activity, highlighting the complex interplay between the subject and their deeds.