Daniel 1:10

The prince of the eunuchs said to Daniel, I fear my lord the king, who has appointed your food and your drink: for why should he see your faces worse looking than the youths who are of your own age? so would you endanger my head with the king.

Proverbs 29:25

The fear of man proves to be a snare, but whoever puts his trust in Yahweh is kept safe.

Matthew 6:16-18

"Moreover when you fast, don't be like the hypocrites, with sad faces. For they disfigure their faces, that they may be seen by men to be fasting. Most certainly I tell you, they have received their reward.

John 12:42-43

Nevertheless even of the rulers many believed in him, but because of the Pharisees they didn't confess it, so that they wouldn't 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 proves to be a snare, but whoever puts his trust in Yahweh is kept safe.
John 12:42
Nevertheless even of the rulers many believed in him, but because of the Pharisees they didn't confess it, so that they wouldn't be put out of the synagogue,

Worse liking

Matthew 6:16
"Moreover when you fast, don't be like the hypocrites, with sad faces. For they disfigure their faces, that they may be seen by men to be fasting. Most certainly I tell you, they have received their reward.