The gross materialists, they are animal-killers, gross materialists. That . . . these animal-killers, according to Bhāgavata also, they cannot understand finer things. Those who are animal-killers and animal-eaters, they cannot understand finer philosophical matter. Their brain is gross. Therefore they are much inclined to mechanical way of life. Machine. Machine is gross. You see? We therefore forbid our students not to be meat-eaters, because by refraining yourself from meat-eating, you will have . . . you will develop finer . . . not only refraining from meat-eating. That is one of the condition. There are other conditions also, but this is one of the condition.
Parīkṣit Mahārāja said: "This Kṛṣṇa consciousness movement is understandable by liberated class of men." Liberated class means above the brahmins. "But those who are killer of the animals . . ." The killer of the animals are two kinds: one, gross killer, killing cows, goats, chickens, so many, gross killer. Another killer is soul-killer. Soul-killer means those who do not take any care for the soul. They are taking care of this gross body.