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THE SCIENCE OF SELF-REALIZATION
tad-dhāma vṛndāvanam:  “Kṛṣṇa, the son of Nanda Mahārāja, in the Vṛndāvana-dhāma of Vrajabhūmi, is the supreme worshipable Deity, and His place Vṛndāvana is also worshipable.” The Western boys and girls are taking to Kṛṣṇa consciousness, and they should have a place like Vṛndāvana. Swami Kīrtanānanda, who went to Vṛndāvana with me two years ago, knows what Vṛndāvana is like, so I have instructed him to construct at least seven temples. In Vṛndāvana, there are five thousand temples of Rādhā-Kṛṣṇa, but the most important temples are seven, established by the Goswamis. Our program is to live in New Vṛndāvana, depend on agriculture and cows as an economic solution, and peacefully execute Kṛṣṇa consciousness, chant Hare Kṛṣṇa—that is the Vṛndāvana scheme.  Yuktāhāra-vihārasya . . . yogo bhavati duḥkha-hā  [ Bhagavad-gītā  6.17]. This human form of life isn't meant for increasing artificial needs. We should be satisfied just to maintain the body and soul together, and the rest of the time we should enhance our Kṛṣṇa consciousness so that after leaving this body we will not have to take another material body, but will be able to go back home, back to Godhead. That should be the motto of human life.
Material life means eating, sleeping, mating, and defending, and spiritual life means something more than this. This is also the difference between animal life and human life. In animal life, the common formula is eating, sleeping, mating, and defending. A dog eats, a man also eats. A man sleeps, and a dog also sleeps. A man has sex life, and the dog also has sex life. The dog defends in his own way, and man also defends in his own way, maybe by atomic bombs. These four principles are common to human beings and animals, and advancement of these four principles is not human civilization but animal civilization. Human civilization means  athāto brahma-jijñāsā . In the  Vedānta-sūtra  the first aphorism is  athāto brahma-jijñāsā : “Now is the time for inquiry about Brahman.” That is human life. As long as one is not spiritually inquisitive,  jijñāsuḥ śreya ut-tamam , he is an animal because he lives according to these four principles, that's all. He must be inquisitive to know what he is and why he is put into these miseries of birth, death, old age, and disease. Is there any remedy? These matters should be questioned. That is human life; that is spiritual life.
Spiritual life means human life, and material life means animal life. That's all. We have to make the adjustments that are recommended in the  Bhagavad-gītā .  Yuktāhāra-vihārasya . For instance, because I am going to be a spiritual man does not mean that I shall give up eating. Rather, my eating should be adjusted. The  Bhagavad-gītā  describes what class of