So now here in the Bhagavad-gītā the Lord Kṛṣṇa says that bahūnāṁ janmanām ante jñānavān māṁ prapadyante. There are so many transcendentalists. That means those who are trying to realize the Supreme Absolute Truth. There are many different kinds of spiritual process. So they have been analyzed into three groups. Although they are many, still, they have been put into three groups. What are they? The first are the impersonalist, brahmavādī, impersonal Brahman.
Just like the same example: In the sunshine your eyes are dazzled. You do not see. If you go little over this planet, earth planet, by aeroplane, and if there is full sunshine, you don't see anything except sunshine. But that does not mean there is nothing beyond sunshine. But my eyes are dazzled by the sunshine.
Just like in during daytime you do not find the stars due to the dazzling sunshine, but you don't think that because you do not see the planets or stars during daytime, they are vanquished, there is nothing. No. Similarly, those who are trying to understand the Absolute Truth, they first of all realize that brahma-jyoti. In the Bhagavad-gītā you'll find, about that brahma-jyoti, brahmaṇaḥ ahaṁ pratiṣṭhā. Just like the sunshine.
So the impersonalists, brahmavādī, they realize about that brahma-jyoti. And the yogīs, they realize the Supersoul. Supersoul. Īśvaraḥ sarva-bhūtānāṁ hṛd-deśe arjuna tiṣṭhati (BG 18.61): "Īśvara, the Supreme Lord, by His plenary portions, He is situated in everyone's heart." We are sitting together. Several times we have described this, that two birds are sitting in the same tree. The two birds means one, the Supersoul, and other, the individual living entity.
So by yogic process, by concentrating our mind, focusing our mind to the Supersoul, one can experience that partial, plenary expansion of the Lord, Supersoul. Just like in the . . . the same example can be given, just the sun, at noontime, if you enquire thousands and thousands of people scattered over thousands and thousands of miles away, everyone will say that, "The sun is on my head." Similarly, the Supreme Lord is also represented by the Supersoul conception in everyone's heart. Not only in everyone's heart, but even in every atom He is represented. So that realization is the second stage. And the third stage is to realize the Supreme Personality of Godhead, Kṛṣṇa.