consolidated the doctrine of Advaita Vedanta, a sub-school of Vedanta, argues that the original karmic actions themselves cannot bring about the proper results at some future time; neither can super sensuous, non-intelligent qualities like adrsta—an unseen force being the metaphysical link between work and its result—by themselves mediate the appropriate, justly deserved pleasure and pain. The fruits, according to him, then, must be administered through the action of a conscious agent, namely, a supreme being (Ishvara). Shankara (8th century) comments as follows:Karma is insentient and short-lived, and cannot therefore be expected to bestow the fruits of actions at a future time according to one’s deserts. We do not see any insentient thing bestow fruits on those who worship it. Therefore it is only from the Lord, who is worshipped through actions, that their results proceed.A human's karmic acts result in merits and demerits. Since unconscious things generally do not move except when caused by an agent (for example, the axe moves only when swung by an agent), and since the law of karma is an unintelligent and unconscious law, Sankara argues there must be a conscious God who knows the merits and demerits which persons have earned by their actions, and who functions as an instrumental cause [a "judge and police-force" working for "the law"] in helping individuals reap their appropriate fruits. Thus, God affects the person's environment, even to its atoms, and for those souls who reincarnate, produces the appropriate rebirth body, all in order that the person might have the karmically appropriate experiences. Since a data-system (or computer) is needed to discern different "just" consequences for actions, there is suggested to be a sentient theistic administrator or supervisor for karma (Ishvara). Ramanuja (Vishishtadvaita) Ramanuja of the Vishishtadvaita school, another sub-school of Vedanta, addresses the problem of evil by attributing all evil things in life to the accumulation of evil karma of jivas (souls in bondage to a corporeal form) and maintains that God is "amala," or without any stain of evil. In his Sri Bhasya, Ramanuja's interpretation of the Brahma sutras from a Vaishnavite theistic view, Brahman, whom he conceives as Vishnu, arranges the diversity of creation in accordance with the different karma of individual souls. Ramanuja reiterates that inequality and diversity in the world are due to the fruits of karma of different souls and the omnipresent energy of the soul suffers pain or pleasure due to