God realization is not possible for animals or for persons who are almost animals, or for animals in the shape of human beings. Contemporary civilization is by in large an assembly of animals because, as stated before, it operates on the basis of the animal propensities. The birds and beasts arise early in the morning and busy themselves trying to find food and sex and trying to defend themselves; at night they look for shelter, and in the morning they fly to a tree to find nuts and fruits. Similarly, in New York City, great hordes of people travel from one island to another by ferry boat or wait for subways in order to go to the office for the purpose of finding food. How is this an advancement over animal life? Although the ferry and subway are always crowded, and many people have to travel forty or fifty miles for bread, the birds are free to fly from one tree to another.
KRSNA CONSCIOUSNESS : THE MATCHLESS GIFT, CHAPTER 6