I have written my most important findings in my research are as follows:

 The book forty nuclear is one of the writings of the nuclear imam "God's mercy" in which he had collected ahaadeeth from several different sections and diverse, has been described by scientists as the orbit of Islam are all valid conversations.

 the duty to pay attention to the Sunnah of the Prophet from the linguistic point of view because it is very rich news and constructional evidence in all sections contained the forty nuclear talks on the news sentences in (30) places divided between the news request, as stated in (13)  

 home and primary news in (14) home and the news denial in (3) citizen، The Prophet "peace be upon him" used the news sentences, in order to increase the proof and clarification of the listener as well as the hadith of the Prophet's tools of emphasis in order to increase the clarification of the meaning and remove doubt in the same address The share of the constructional sentences (34) as divided between the question, where it was mentioned in (10) citizens and the order in (13) home, forbidden (4) citizens and appeal (7) citizens The Hadith mentioned the questioning style, in order to convince the addressee and reassure his heart convince the addressee and reassure his heart Finally, invite all students of science to pay attention to the Sunnah of the Prophet from the linguistic point of view and encourage their study and know the secrets and miracle of that  illiterate prophet in his conversations that demonstrate his linguistic and graphic eloquence