Daniel 1:10

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.

Proverbs 29:25

The fear of man brings a snare, but whosoever puts his trust in the LORD shall be lifted up.

Matthew 6:16-18

Moreover when ye fast, be not, as the hypocrites, of a sad countenance, for they disfigure their faces that they may appear unto men to fast. Verily I say unto you, They already have their reward.

John 12:42-43

Nevertheless, even among the princes many believed in him, but because of the Pharisees they did not confess him, lest they should be put out of the synagogue;

Treasury of Scripture Knowledge

Summary

And the prince of the eunuchs said unto Daniel, I fear my lord the king, who hath appointed your meat and your drink: for why should he see your faces worse liking than the children which are of your sort? then shall ye make me endanger my head to the king.

Worse liking

Bible References

I fear

Proverbs 29:25
The fear of man brings a snare, but whosoever puts his trust in the LORD shall be lifted up.
John 12:42
Nevertheless, even among the princes many believed in him, but because of the Pharisees they did not confess him, lest they should be put out of the synagogue;

Worse liking

Matthew 6:16
Moreover when ye fast, be not, as the hypocrites, of a sad countenance, for they disfigure their faces that they may appear unto men to fast. Verily I say unto you, They already have their reward.