Krṣṇa Recovers the Son of His Teacher
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represent a man going home. Krṣṇa and Balarāma also learned the art of architecture—how to construct residential buildings. They learned to recognize valuable jewels by studying the luster and the quality of their colors. Then They learned the art of setting jewels with gold and silver. They also learned how to study soil to find minerals. This study of soil is now a greatly specialized science, but formerly it was common knowledge even for the ordinary man. They learned to study herbs and plants and to extract medicine from the elements. By studying the different species of plants, They learned how to crossbreed plants and get different types of fruits. They learned how to train and engage lambs and cocks in fighting for sporting purposes. They then learned how to teach parrots to speak and answer the questions of human beings.
They learned practical psychology—how to influence another's mind and thus induce another to act according to one's own desire. Sometimes this is called hypnotism. They learned how to wash hair, dye it in different colors and curl it in different ways. They learned the art of telling what is written in someone's book without actually seeing it. They learned to tell what is contained in another's fist. Sometimes children imitate this art, although not very accurately. One child keeps something within his fist and asks his friend, "Can you tell what is within?" and the friend gives some suggestion, although He actually cannot tell. But there is an art by which one can understand and actually tell what is held within the fist.
Krṣṇa and Balarāma learned how to speak and understand the languages of various countries. They learned not only the languages of human beings. Krṣṇa could also speak even with animals and birds. Evidence of this is found in Vaiṣṇava literature compiled by the Gosvāmīs. Then They learned how to make carriages and airplanes from flowers. It is said in the  Rāmāyaṇa  that after defeating Rāvaṇa, Rāmacandra was carried from Laṅkā to Bhāratavarṣa on a plane of flowers called  puṣpa-ratha . Krṣṇa then learned the art of foretelling events by seeing signs. In a book called  Khanār vacana , the various types of signs and omens are described. If, when one is going out, one sees someone with a bucket full of water, that is a very good sign. But if one sees someone with an empty bucket, it is not a very good sign. Similarly, if one sees cow's milk along with her calf, it is a good sign. The result of understanding these signs is that one can foretell events, and Krṣṇa learned the science. Krṣṇa also learned the art of composing  mātṛkā . A  mātṛkā  is a crossword section with three letters in a line; counting any three from any side, it will count nine. The  mātṛkās  are of different kinds and are for different purposes.
Krṣṇa learned the art of cutting valuable stones such as diamonds, and