I recall that Solov'ëv wasRussia's first professional philosopher andpresent the most important currents andconcepts of his many-sided theoretical edifice.Solov'ëv conceived philosophy in a verybroad sense of the term, for which reason histhinking comprises metaphysics no less thantheology, ecclesiology, history, and sociology.I show how Solov'ëv sought constantly to bringthese diverse elements into agreement with oneanother for the sake of a consistent systematicproject, how he attempted to synthesizenumerous oppositions (including patriotism anduniversalism, humanism and theocentrism).