Young men in whom was no blemish, but handsome, and skilful in all wisdom, and gifted in knowledge, and understanding science, and such as had ability in them to stand in the king's palace, and whom they might teach the learning and the language of the Chaldeans.
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Aquinas Study Bible
AD 2017
God chooses the worlds weak, lame, and despised, while human beings look for bodily charm, stature, and good health. From this you can learn the gap between human and divine criteria. (Theodoret of Cyrus) learning, and the tongue of the Chaledeans: That would have included classical Akkadian, the official literary language from the days of Hammurabi. They also needed the study of the language and literature of ancient Sumerian religious literature, magical, and astrological and scientific, was important for Babyonian religion. tongue: Aramaic was the common language in the Babylonian and Persian Empires in 6th- 5th centuries. (Fr. Most)
Blemish. Deformed people were excluded the throne, or the king's presence. (Procop. 1.)
Science; well educated, or apt to learn. They were first to be taught the Chaldean letters, which then differed from the Hebrew. (Calmet)