In the heart of Imäm Khomeini's way of thinking, ethics has a special place, and all areas of knowledge revolve around this pivot. According to his view, by citing a prophetic hadith all kinds of knowledge can be placed in three general categories, as human being possesses three existential presences and three types of world, the second of which is the allegorical world What is related and complementary to the second type is called ethics. If man wants to go beyond the law of instincts, he needs ethics in its broad sense. Ethics in this context cannot be confined to a number of ethical rules; it is in fact a knowledge which searches for the deepest recesses of man's existence, and which cures him. This ethics is, indeed, a sort of theoretical and practical anthropology. It is awareness of fixed principles and their application. The present book is an attempt to infer and expound on the principles that he considers as being the underpinning of the Imäm's system of