Daniel 1:8-10

8 And Daniel purposed in his heart that he would not defile himself with the portion of the king's food, nor with the wine which he drank; therefore he requested of the prince of the eunuchs that he might not defile himself.

9 (And God brought Daniel into grace and mercy with the prince of the eunuchs.)

10 And the prince of the eunuchs said unto Daniel, I fear my lord the king, who has appointed your food and your drink; for when he shall see your faces more downcast than the [other] young men who [are] like unto you, then ye shall condemn my head before the king.