Ethics in religion concept, it demands careful and sustained reflection by every man and woman before it can become part of one's life. Ethics that constitute a dharmic life - that is a moral, ethical, virtuous life - evolve in vedas and upanishads. Ethical subjects and questions are debated by various schools of Hinduism, quite extensively, in numerous texts on what is right conduct, when, how and why. Over time, new virtues were conceptualized and added by ancient Hindu scholars, some replaced, others merged. For example, Manusamhita initially listed ten virtues necessary for a human being to live a "dharmic" life: "Dhriti" (courage),
Ancient Iranian religion peoples are completely unknown except from the elements they have left Iranian religion which has no parallel with other Indo-European religions. The ancient Iranians believed in a cosmos which was a three-tiered structure. This structure consisted of the earth, the atmosphere, and the heaven above. Beyond heaven was the realm of Endless Lights while below the earth lay the realm of darkness and chaos. The earth rested on a cosmic sea called the Varu-Karta. In the earths centre was cosmic mountain Hara. Down the Hara flowed the river Ardvi. The earth divided into six continents surrounding the central continent. The