The Sunnah is the living example of the Prophet Muhammad. It consists of his sayings, actions, and silent approvals as recorded by those who knew him and transmitted through careful chains of narrators. Together with the Qur’an it forms the primary source of Islamic guidance.

Hadith collections—most famously those of Bukhari and Muslim—preserve thousands of individual reports. Scholars developed rigorous methods to evaluate the reliability of transmitters and the coherence of the texts. From this material jurists extracted legal rulings, ethicists drew moral lessons, and ordinary Muslims found patterns for daily life: how to pray, how to eat, how to treat neighbors, how to face death. The Sunnah is therefore both a legal resource and a personal ideal. To follow the Prophet is to walk as he walked.

Not every report carries the same weight. Some are graded as rigorously authentic, others as weaker. Debate continues over the historical accuracy of particular narrations and over the proper method of applying seventh-century practice to modern circumstances. Yet the authority of the Sunnah itself remains central for the vast majority of Muslims.

In the end the Sunnah is less a book than a remembered life that continues to shape the lives of those who take it as their model.