Abstract
In said “Introduction, Aron leads us towards the comprehension of the categories of political thought in this essay regarding politologic knowledge. The concept of “man of action”defines the politician and places him in the junction between his values and the network of personal relationships within a “new fact” in his world, normally deterministic and historical. Acting is a necessity in the politician, and the manifestation of his act lies in his rational action; the probability of obtaining set ends is the risk that is taken. Weber’s political action requires understanding of the specific relationships between history, values, media and individuals in the construction of sense and the foundation of political action.