All the yoga practice or philosophical speculation or anything—all practice targets to one point—that I am spirit soul. Ahaṁ brahmāsmi, I am Brahman. I am not this matter. This is perfection. A man who has made sufficient progress to this realization is more perfect. This is the way of perfection. And assured of liberation in the Supreme in the very near future. One has simply... If I am realized then this material composition of this body is disbursed and I am the spirit soul, small particle, I am immediately promoted to the spiritual sky. That is the highest perfection. In the spiritual sky either you remain as a small spark of spirit soul, molecules. Just like there are millions of molecules of shining matter in the sunshine. So if I remain as molecule in the brahmajyoti, that is also possible. The impersonalist wants that. Or if I enter into some spiritual planet and associate with the Supreme Personality of Godhead that is also another spiritual existence. Although both of them are spiritual existence, this spiritual existence is impersonal. To remain as molecular part of the Brahman rays or spiritual rays, that is impersonal. And to have a spiritual form just like Kṛṣṇa and Viṣṇu, that is another spiritual perfection. That is Vaiṣṇava philosophy.
And nirvāṇa, nirvāṇa, the Buddha philosophy is just above the material conditional life but on the margin of spiritual existence. That is... Nirvāṇa means void of material existence. Nirvāṇa, this impersonal conception is also nirvāṇa. Therefore Caitanya Mahāprabhu said that this impersonal philosophy is another phase of the void philosophy. Veda... Covered void philosophy. Impersonalism is covered void philosophy. They are all the same. Śaṅkara's philosophy of impersonalism and Lord Buddha's philosophy void is almost the same. Real life, real spiritual life is this Vaiṣṇava philosophy. Vaiṣṇava philosophy, to associate with the Supreme Personality of Godhead face to face. Just like we are sitting here face to face. We are talking, you are hearing. You can have this perfection. That is personal conception of spiritual perfection.