Arjun proclaimed his woes to Krishna, who then lectured him in a philosophical treatise that covered the gamut of existence and all the various facets of life including duty, morality, ethicality, responsibility and the like. Krishna explained to Arjun that when one is wronged and attacked, it is one’s duty to defend oneself. This discourse came to be known as the Bhagwad Gita and laid the foundation for a way of life in India.