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),
Hindu texts known as the Divya Desams. In South India, especially in Tamil Nadu, the Divya Prabhandha is considered as equal to the Vedas, hence the epithet Dravida Veda. In many temples, Srirangam, for example, the chanting of the Divya Prabhandham forms a major part of the daily service. Prominent among the 4,000 verses are the 1,100+ verses known as the Thiru Vaaymozhi, composed by Nammalvar (Kaaril Maaran Sadagopan) of Thiruk Kurugoor. Hindu texts for specific fields, in Sanskrit and other regional languages, have been reviewed as follows, The Hindu scriptures provide the early documented history and origin of arts and sciences