Among the important and valuable topics reflected in the Quranic teachings and the spoken and written culture of the Commander of the Faithful Hazrat Ali (AS) are the topics related to the environment. Indifference and negligence towards the environment and the destruction of natural resources have a direct and indirect effect on the health of the body and soul of the people of the society. The beauty in nature is one of the manifestations of the power and beauty of God, and attention to and thoughtfulness in them lead to closeness and recognition. It provides the knowledge of the Creator to the members of the society. In such an approach, a God-believing person is someone who is diligent in preserving and protecting the environment by following the teachings of the Holy Quran and the precious words of the Imams (AS). The present study aims to deal with the issue of preserving the environment and its importance and role in the exaltation of the God-believing person by using the holy verses of the Quran and the precious words of Imam Ali (a.s.) in Nahj al-Balaigha. One of the most important approaches of the research is that both in the Quranic teachings and in the promoting words of wisdom by Amir al-Mo’menin, there are many instructions to guide and encourage people to protect the environment as a place for human excellence and growth.