Assist. Prof. Dr. was an Hussein Muhaimeed (humanity sciences department) participated in the ninth scientific conference that hold by university of Tikrit /college of art through 21-22/10/2024 .Dr. was an Hussein presented a research entitled (the moral dimension of tolerance in the thought of Imam Ali (peace be upon him) and its impact on rejecting religious extremism)that deals with The sublime principles of Islam derived from the constitution of Muslims, the Holy Quran, in preserving the rights of non-Muslims who are called the People of the Covenant. The policy of the Noble Messenger Muhammad (peace be upon him and his family) with them was an application of these principles in a way that achieves coexistence far from religious extremism that negatively affects the fabric of the single society. Since the Prophet Muhammad (peace be upon him and his family) is the city of knowledge and Imam Ali (peace be upon him) is its gate, who overflows with mercy, humanity and moral loftiness that overwhelms all his subjects, including the People of the Covenant, its research included paragraphs starting with Imam Ali’s (peace be upon him) view of the People of the Covenant, his relationship with their religious men, granting them freedom of belief and worship, his dealings with them, his justice and compassion towards them, and his standing with them before the judiciary, then his debates with the People of the Covenant, and the conversion of many of them to Islam at his hands. In conclusion, certificates and conference bags were distributed to the researchers and their hospitality, hoping for continued scientific communication with the professors of our Iraqi universities. To work as one hand, serving the scientific process in our beloved Iraq