Rāja-vidyā:  The King of Knowledge
وفات
do not know who we are, how can our activities be proper? If we are mistaken about our identity, we will also be mistaken about our activities. Simply knowing that we are not these material bodies is not sufficient; we must act according to the conviction that we are spiritual. Action based on this knowledge—spiritual activity—is work in Kṛṣṇa consciousness. This kind of knowledge may not seem to be so easily attainable, but it is made very easy by the mercy of Kṛṣṇa and Lord Caitanya Mahāprabhu who made this knowledge easily available through the process of chanting Hare Kṛṣṇa, Hare Kṛṣṇa, Kṛṣṇa Kṛṣṇa, Hare Hare/ Hare Rāma, Hare Rāma, Rāma Rāma, Hare Hare.
Caitanya Mahāprabhu divided the living entities into two major categories: those that are moving and those that are not moving. Trees, grass, plants, stones, etc., do not move because they do not have sufficiently developed consciousness. Their consciousness, is there, but is covered. If a living being does not understand his position, he is stonelike, although dwelling in a human body. The living entities—birds, reptiles, animals, insects, human beings, demigods, etc.—number over 8,000,000 species, and of these a very small number are human beings. Lord Caitanya further points out that out of 400,000 species of human beings, some are civilized; and out of many civilized persons, there are only a few who are devoted to the scriptures.
In the present day most people claim to be devoted to some religion—Christian, Hindu, Moslem, Buddhist, etc.—but in fact they do not really believe in the scriptures. Those who do believe in the scriptures are,