Vladimir Jank�l�vitch, moral and political theorist, musicologist and professor at the Sorbonne, is a major philosopher of the 20th century. Convincing and passionate thought, which orality gives a perfect prosodic rhythm to underline concepts. Much more affordable orally, his colorful, educational and open speech is a monument to our educational and philosophical sound heritage. This 4-album set includes fundamental courses: "Un homme libre", "L'inm�diat" and "La Tentation" in which Plato, Bergson, as well as the music of Debussy and concepts such as death and existence are explained.