Prabhupāda: Literature, we have got so many. Bhagavad-gītā, Śrīmad-Bhāgavata.
Hayagrīva: Any English literature, American literature, English literature?
Prabhupāda: Yes. Any . . . some of the English literature, recognized.
Hayagrīva: Any of the sciences at all?
Prabhupāda: I don't think we require any science. What do you think?
Hayagrīva: Biology?
Kīrtanānanda: No.
Hayagrīva: No. Geology, zoology, astronomy.
Prabhupāda: Biology, you can teach them the evolution of the species from Padma-Purāṇa, 8,400,000's, one after another. Yes.
Hayagrīva: What about astronomy? Anything like that? No. Okay. Any animal husbandry they can learn out there. Animal husbandry they will learn . . .
Prabhupāda: That they will learn practically, cow-keeping.
Hayagrīva: At what age should they be taught to cook prasādam?
Prabhupāda: Yes.
Hayagrīva: At what age should they be taught to cook?
Prabhupāda: After twelve years.