History and Fundamentals of Ethics in Iran and the World

The sages have attended to ethics along the time, but the profit of this rational subject is important so that addressees accept it. All of the religions joined ethics to theology for initiation of obligation. In the progress of societies, the law came in step with ethical beliefs; they are opposed, while they are for improvement of society together.On the other hand, if we look at animals in nature, we perceive that they behave according to limited moral laws. These issues are discussed in this article.