Praise be to Allah and praying and peace be on no prophet accept him and then,
About this study that the roles of the converse which arranged the speeches of the prophet Mohammad (P.B.U.H) and his dialogs for the researches which we stopped on their the mercy and wisdom Ayas in order to the prophet's coinable which must Al_ Muslim can invest into well understanding in order to optimum the succeeded reasons which accompany the blessed a preaching of the prophet(P.B.UH).