Practicing Yoga in the Age of Quarrel
135
Lord Caitanya is called “the golden  avatāra .”  Avatāra  means “descending, coming down.” Just as one may come down from the fifth story or the one-hundredth story of a building, an  avatāra  comes down from the spiritual planets in the spiritual sky. The sky we see with our naked eyes or with a telescope is only the material sky. But beyond this there is another sky, which is not possible to see with our eyes or instruments. That information is in the  Bhagavad-gītā ; it is not imagination. Kṛṣṇa says that beyond the material sky is another sky, the spiritual sky.
We have to take Kṛṣṇa’s word as it is. For example, we teach small children that beyond England there are other places called Germany and India, and the child has to learn about these places from the version of the teacher because they are beyond his sphere. Similarly, beyond this material sky there is another sky. One cannot experiment to find it, any more than a small child can experiment to find Germany or India. That is not possible. If we want to get knowledge, then we have to accept authority. Similarly, if we want to know what is beyond the material world then we have to accept the Vedic authority, otherwise there is no possibility of knowing. It is beyond material knowledge. One cannot go to the far planets in this universe, and what to speak of going beyond this universe? The estimation is that in order to go to the highest planet of this universe with modern machinery one would have to travel for forty thousand light-years. So we cannot even travel within this material sky. Our lifetime and means are so limited that we cannot have proper knowledge of even this material world.
In the  Bhagavad-gītā , when Arjuna asked Kṛṣṇa, “Will you kindly explain the extent to which Your energies are working?” the Supreme Lord gave him so many instances, and at the end He finally said, “My dear Arjuna, what shall I explain about My energies? It is not actually possible for you to understand. But you can just imagine the expansion of My energies: this material world, which consists of millions of universes, is a display of only one fourth of My creation.” We cannot estimate the position of even one universe, and there are millions of universes. Then beyond that is the spiritual sky, and there are millions of spiritual planets. All this information is available from the Vedic literature. If one accepts Vedic literature, then he can get this knowledge. If one doesn’t accept it, there is no other means. That is our choice. Therefore, according to Vedic civilization, whenever an  ācārya  speaks he immediately gives references from the Vedic literature. Then others will accept it: “Yes, it is correct.” In a law court the lawyer gives references from past judgments of the court, and if his case is tight, the judge accepts. Similarly, if one