Daniel 1:4-6

4 young men in whom [there was] no blemish whatsoever but [who were] good looking and taught in all wisdom and wise in knowledge and of good understanding, and that [had] strength in them to stand in the king's palace, that they might be taught the letters and speech of the Chaldeans.

5 And the king appointed them a daily provision of the king's food and of the wine which he drank, so nourishing them three years, that at the end thereof they might stand before the king.

6 Now among these of the sons of Judah were Daniel, Hananiah, Mishael, and Azariah: