The young men (Daniel and his friends), from the royalty of Judah, who were taken into captivity to Babylon, had to be educated in the language and culture of Babylon. Daniel and his friends had to receive instruction in reading and writing the Aramaic language. This was in fulfillment of the prophecy of Isaiah 39:1-7. This is a well-known tactic of the conqueror to take the elite of the conquered nation and use them for his own purposes. These young men had to be in excellent physical and spiritual condition. They had to be intellectually sharp with excellent knowledge and insight, in order to be useful for the benefit of the kingdom of Babylon. The word Chaldeans has reference to a specific nation — the nation of Nebuchadnezzar in general. Later the word Chaldeans would specifically refer to the wise men of Babylon. Daniel uses both meanings in his writings.
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