 Sefer ha-‘Ikkarim is Albo’s monumental philosophical treatise. This book offers an extensive description of the author’s theoretical doctrine. Forming the basis of this doctrine and the framework for the rest of his formulations are his principles of faith, which attempt to define the beliefs that are the necessary fundamentals of a system of laws whose source is the divine. Before we examine the various philosophical views incorporated within this book, we will offer a concise description of its structure, stylistic characteristics, and goals.