Suppose a man is very comfortably situated. Does it mean that he will not die? He'll die. So simply by bodily comforts you cannot exist. Survival of the fittest. Struggle for existence. So when we simply take care of the body, that is called dharmasya glāniḥ, polluted. One must know what is the necessity of the body and what is the necessity of the soul. The real necessity of life is to supply the comforts of the soul. And the soul can be comforted not by material adjustment. Because soul is a different identity, the soul must be given spiritual food. That spiritual food is this Kṛṣṇa consciousness. If you give the soul the spiritual food...
Food, there are, when one is diseased, you have to give him diet and medicine. Two things required. If you simply give medicine, no diet, that will be not very successful. Both. So this Kṛṣṇa consciousness movement is meant for giving food, means diet and medicine, to the soul. The medicine is the Hare Kṛṣṇa mahā-mantra. Bhavauṣadhāc chrotra-mano-'bhirāmāt ka uttamaśloka-guṇānuvādāt pumān virajyeta vinā paśughnāt (SB 10.1.4). The Parīkṣit Mahārāja said to Śukadeva Gosvāmī that: "This Bhāgavata discussion which you are prepared to give me, it is not ordinary thing." Nivṛtta-tarṣair upagīyamānāt. This Bhāgavata discussion is relishable by persons who are nivṛtta-tṛṣṇā. Tṛṣṇā, tṛṣṇā means hankering. Everyone in this material world is hankering, hankering. So one who is freed from this hankering, he can taste the Bhāgavata, how palatable it is. It is such a thing. Nivṛtta-tarṣaiḥ... Similarly bhāgavata means also, the Hare Kṛṣṇa mantra is also bhāgavata. Bhāgavata means anything in relationship with the Supreme Lord. That is called bhāgavata. The Supreme Lord is called Bhagavān. Bhāgavata-śabda, and in relationship with Him, anything, that bhāgavata-śabda turns into bhāgavata-śabda.