In Sermon (108), Imam Ali (a.s.) elucidates the fundamental obligations of Islam. This sermon was delivered during a time when the Islamic community was striving to solidify its foundations. The Imam emphasizes the importance of faith, jihad, prayer, zakat, fasting, and performing Hajj and Umrah. These acts are not only essential for individual spiritual growth but also crucial for societal improvement.

The Imam states that the best means for those seeking to approach Allah is through faith and jihad, which he describes as the pinnacle of Islam. This phrase indicates that faith must be the foundation upon which jihad is built, not merely in the sense of physical struggle but also in the defense and propagation of the faith.

By declaring prayer as the essence of religion, the Imam underscores its necessity for spiritual tranquility and strengthening one's connection with Allah. Similarly, zakat is described as an obligatory act, highlighting its role as a cornerstone of social justice.

Fasting is portrayed as a shield against punishment, reminding us that it is not just about abstaining from food and drink but also a means of spiritual training. The performance of Hajj and Umrah is noted for its ability to alleviate poverty and cleanse sins, which are essential for human betterment.

The Imam also stresses the importance of treating relatives well and giving charity. This underscores that strengthening social ties and helping others should be integral to our lives. Finally, the Imam addresses the pursuit of knowledge, emphasizing that acquiring knowledge and acting upon it is essential; otherwise, one remains trapped in the torment of ignorance.