The Sunnah, in our understanding, is the transmitted legacy of the Messenger of Allah ﷺ. The Sunnah explains the Qur’an and serves as its proof. Within the Sunnah there is no resort to analogy, nor are comparisons struck for it; it is not apprehended by bare intellects or by whims. Rather, it is to be followed while caprice is abandoned. Among the indispensable tenets of the Sunnah is that whoever discards any of its features, refrains from affirming it, and does not believe in it, is not counted among its adherents.1
He then mentioned other matters and said: “Hearing and obeying the leaders and the Commander of the Faithful—whether righteous or wicked—is required. That applies to anyone who assumes the caliphate, so long as the people unite behind him and are content with him, as well as to whoever overpowers them by the sword until he becomes caliph and is called the Commander of the Faithful.
“Armed expeditions continue under the authority of the rulers until the Day of Resurrection; they are not to be abandoned whether the ruler is righteous or wicked. The distribution of state spoils (fayʾ) and the enforcement of legal penalties likewise remain the prerogative of the rulers; no one may revile them or contend with them, and the paying…"