伊斯兰国时期的司法体系，是人类历史上任何时代中最丰富的法学与司法著作来源。巴格达和库法（伊斯兰国的两座都城）的图书馆藏书多达数万册，内容涵盖人们日常事务中立法的各个方面，以及伊斯兰教法（fiqh）的研究。由此可见，人们对伊斯兰教这一至关重要的领域是何等地深入研习并予以重视。

The judiciary in the Islamic State was the richest source of jurisprudence and juridicial works of any period of man. The libraries of Baghdad and Kufah (capitals of the Islamic State) boasted collections of tens of thousands of books and articles covering all aspects of legislation in the daily affairs of man, and the study of fiqh (Islamic law). Such was the extent of study and regard for this crucial aspect of the deen of Islam.

如今，这一遗产几乎已从穆斯林和非穆斯林的心中消失殆尽。伊斯兰的公正在任何地方都不再作为统治力量而盛行，结果，世界陷入动荡之中，公正可以被任何掌握权力的人买卖和滥用。只有当伊斯兰再次被全面实施时，世界才会回到哈里发时期所享有的辉煌状态。

Sadly today this legacy has been all but lost to the minds of Muslims and non-Muslims throughout the world. Nowhere is the Justice of Islam prevalent as the ruling force and as a result, the world is engulfed in turmoil, where justice can be bought and abused by any who own the power to do so. Only when Islam is implemented again in its entirety, will the world return to the glorious state it enjoyed under the Khilafah.