Abstract

The problem of evil is a well-known subject in philosophy, especially in philosophy of religion. In fact many thinkers hold that the problem of evil is the most potent rational objection to the theistic belief and has been called the rock of atheism and are being introduced as a recently emerging notion. This paper shows that this problem was proposed and discussed many years ago by Zoroastrian scholars. This paper also studies the solutions proposed by those scholars; And with the help of some theories from Islamic theosophists, the existence of the two sources of good and evil in Mezdayasnian creed has been compared with the concepts of Attributes of Beauty and Glory. In this way, it has been shown that with the help of responses from the Khorasan school to the problem of evil, the Zoroastrian religion can be considered as a creed of Unity.