Daniel 1:4

1:4 young men in whom there was no physical defect and who were handsome, well versed in all kinds of wisdom, well educated and having keen insight, and who were capable of entering the king’s royal service – and to teach them the literature and language of the Babylonians.

Daniel 1:10

1:10 But he responded to Daniel, “I fear my master the king. He is the one who has decided your food and drink. What would happen if he saw that you looked malnourished in comparison to the other young men your age? If that happened, you would endanger my life with the king!”