In Sermon 103, Imam Ali (peace be upon him) praises and describes the Prophet Muhammad (peace be upon him). This sermon is set in a historical context where the Islamic community was flourishing, and people were transforming their lives under the guidance of the Prophet's teachings. The Imam highlights the Prophet's character as the best of creation, emphasizing his roles as a witness, a bearer of glad tidings, and a warner, which reflects the comprehensive nature of his mission.

The Imam elaborates on various aspects of the Prophet's life, such as his purity, generosity, and immense service to humanity. He reminds the audience of the transient nature of this world, describing it as a long shadow that exists only for a limited time. He emphasizes that every right has a claimant, and everyone will be accountable before Allah's justice.

The Imam warns the Banu Umayyah that their worldly wealth will soon be in the hands of others, conveying a powerful message about the impermanence of worldly power and riches. He urges people to seek knowledge and avoid ignorance, highlighting the importance of self-restraint from desires and the necessity of preventing evils in society.

Furthermore, Imam Ali outlines the responsibilities of an Imam, which include delivering counsel, preserving the Sunnah, and enforcing legal boundaries. He encourages the audience to pursue knowledge before it becomes scarce and to act against wrongdoings. This sermon is not only significant in its historical context but also provides moral and spiritual guidance that remains relevant for contemporary readers.