Purva Mimamsa is the system of the study of the Veda Samhitas, discovering the true meaning of the mantras of the Samhitas and their application in sacrificial deeds as expounded in the ritualistic portion of the Vedas known as the Brahmanas. Brahma Sutra points out the inadequacy of sacrificial rituals as means to ultimate freedom, Moksha. Action is a process, and process is not an immutable reality. Action has a beginning, and so it has an end. Action, Karma, or Sacrifice is perishable, and the perishable cannot lead to Moksha.
Action is a purification process.
The satisfaction of the gods is the purpose. If the gods are satisfied, we shall also be satisfied. By yajna . We have been discussing earlier on certain other occasions that the subject and the object are related to each other by a third principle called Adhidaiva , a divine Superintending Principle. It is effected by the action of an intermediary principle which is the transcendent consciousness known as Adhidaiva .