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THE SCIENCE OF SELF-REALIZATION
facility for achieving whatever he may desire. But He instructs His friend, so that he may ultimately give up all other engagements and simply surrender unto God for perpetual bliss and eternal life, full of knowledge. This is the last instruction of the  Bhagavad-gītā , the most authorized and widely read book on all forms of yoga.
The last word of the  Bhagavad-gītā , as stated above, is the last word in the matter of perfecting the yoga system. It is further stated in the  Bhagavad-gītā  that a person who is always absorbed in Kṛṣṇa consciousness is the topmost yogi. What is this Kṛṣṇa consciousness?
Just as the individual soul is present by his consciousness throughout the whole body, so the Supersoul, or Paramātmā, is present throughout the whole creation by His superconsciousness. This superconsciousness cannot be imitated by the individual soul, who has limited awareness: I can understand what is going on within my limited body, but I cannot feel what is going on in another's body. I am present all over my body by my consciousness, but I am not present in any other's body by my consciousness. However, the Supersoul, or Paramātmā, being present within everyone, situated everywhere, is conscious of every existence. The theory that the soul and the Supersoul are one is not acceptable, because the individual soul's consciousness cannot act in superconsciousness. This superconsciousness can only be achieved by dovetailing individual consciousness with the superconsciousness; and this dovetailing process is called surrender, or Kṛṣṇa consciousness.
From the teachings of the  Bhagavad-gītā  we learn very clearly that Arjuna in the beginning did not want to fight with his relatives, but after understanding the  Bhagavad-gītā , when he dovetailed his consciousness with the superconsciousness of Kṛṣṇa, his consciousness was Kṛṣṇa consciousness. A person in full Kṛṣṇa consciousness acts by the dictation of Kṛṣṇa, and so Arjuna agreed to fight the Battle of Kurukṣetra.
In the beginning of Kṛṣṇa consciousness this dictation of the Lord is received through the transparent medium of the spiritual master. When one is sufficiently trained and acts with submissive faith and love for Kṛṣṇa, under the direction of the bona fide spiritual master, the dovetailing process becomes more firm and accurate. At this stage Kṛṣṇa dictates from within. From without, the dovetee is helped by the spiritual master, the bona fide representative of Kṛṣṇa, and from within the Lord helps the dovetee as  caitya-guru , being seated within the heart of everyone.
Simply to understand that God is seated in everyone's heart is not perfection. One has to be acquainted with God from within and without and thus act in Kṛṣṇa consciousness. This is the highest perfectional stage for