Introduction
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nounced is the propensity for material enjoyment. Although Lord Caitanya approved of a householder having regulated sex in marriage, He was very strict with those in the renounced order, and He even banished Junior Haridāsa for glancing lustfully at a young woman. The point is that one must take up a particular path and stick to it, obeying all the rules and regulations necessary for success in spiritual life. It was Lord Caitanya's mission that He teach the path of Kṛṣṇa consciousness to all men and thereby enable them to partake of the immortality of spiritual life.
From  Caitanya-caritāmṛta  we learn how Caitanya taught people to become immortal, and thus the title may be properly translated as "the immortal character of the living force." The supreme living force is the Supreme Personality of Godhead. He is also the supreme entity. There are innumerable living entities, and all of them are individual. This is very easy to understand: We are all individual in thought and desires, and the Supreme Lord is also an individual person. He is different, though, in that He is the leader, the one whom no one can excel. Amongst the created living entities, one being can excel another in one capacity or another. The Lord is an individual, just as the living entities are individual, but He is different in that He is the supreme individual. God is also infallible, and in  Bhagavad-gītā  He is addressed as Acyuta, which means, "He who never falls down." This is indicated because in  Bhagavad-gītā  Arjuna had fallen into delusion but Kṛṣṇa had not. We often hear it said that God is infallible, and in  Bhagavad-gītā  Kṛṣṇa states:
nānyaṁ guṇebhyaḥ kartāraṁ yaďā draṣṭānupaśyati guṇebhyaś ca paraṁ vetti mad-bhāvaṁ so 'dhigacchati
"When you see that there is nothing beyond these modes of nature in all activities and that the Supreme Lord is transcendental to all these modes, then you can know My spiritual nature." (Bg. 14.19)
Thus we should not think that Kṛṣṇa is overpowered by the material potency when He is in the material world. Kṛṣṇa and His incarnations are not under the control of material nature. They are totally free. Indeed, in  Śrīmad-Bhāgavatam  one who has a godly nature is actually defined as one who is not affected by the modes of material nature, although in material nature. If even a devotee can attain this freedom, then what to speak of the Supreme?
The real question is how can we remain unpolluted by material contamination while in the material world. It was Rūpa Gosvāmī who explained that we can remain uncontaminated while in the world if we simply make it our ambition to serve Kṛṣṇa. One may then justifiably ask, "How can I serve?" Obviously this is not simply a matter of meditation, which is just an activity of the mind, but of practical work. Love of Kṛṣṇa's service can only be attained by working for Kṛṣṇa. In such work, we should leave no resource unused. Whatever is there, whatever we have, should be used for Kṛṣṇa. We can use everything: typewriters, automobiles, airplanes, missiles—anything. If we simply speak to people about Kṛṣṇa consciousness, we are also rendering service. If our minds, senses, speech, money and energies are thus