Janārdana: What is the difference between spiritual body and spiritual atoms?
Prabhupāda: Yes. Matter is not eternal, and spirit is eternal. Matter is full of ignorance, and spirit is full of knowledge. Matter is full of unpleasantness, and spirit is full of pleasure, sac-cid-ānanda. That is the difference between matter and spirit.
Janārdana: And what is the difference between spiritual atoms and spiritual bodies? Or are they the same thing?
Prabhupāda: No. Spiritual atom... Just like from the spiritual body, you have developed this material body, similarly, from the spiritual atom, you can develop your spiritual body. Tyaktvā deham. Tyaktvā deham means that giving up this material body, he develops his spiritual body and then goes to the kingdom of God, or Kṛṣṇa. Tyaktvā dehaṁ punar janma naiti mām eti (BG 4.9). So when he goes to Kṛṣṇa, he goes in spiritual body. So there is potency of every living being. Just like he has got the potency of developing this material body, similarly, he has got the potency of developing spiritual body. Is it any difficulty to understand?
So our problem is that we are suffering all kinds of miseries on account of this material body. Now, our business should be that we shall be cultured in Kṛṣṇa consciousness so that in next life will be my spiritual body. Then the solution of all problems solved. And so long we shall get material body repeatedly—just like we give up this dress and take another dress, similarly, we shall continue—then the four kinds of miseries, janma-mṛtyu-jarā-vyādhi (BG 13.9), or at least these four kinds of miseries—the miseries of birth, the miseries of death, and the miseries of old age, and miseries of diseases—we have to suffer. And as soon as you get spiritual body, all these miseries over. Because your body is no more subjected to birth and death, disease and old age. That life is eternal, full of knowledge, and blissful. That you can get simply by studying the nature of Kṛṣṇa, transcendental nature of Kṛṣṇa. So we are hankering after so many things. We are taking the leadership of this leader, that leader, that leader just to relieve, get relief from our temporary misery. So our duty should be just to get rid of all misery by developing that spiritual body. That should be the aim of life. And that is possible by Kṛṣṇa consciousness.