1 Peter 3:3-4

whose adorning, let it not be the outward one of braiding of hair and of wearing of golden ornaments, or of putting on apparel;

2 Peter 2:22

It has happened to them according to the true proverb, "A dog having returned to his own vomit"; and "A sow that was washed, to her wallowing in mire."

Treasury of Scripture Knowledge

Summary

As a jewel of gold in a swine's snout, so is a fair woman which is without discretion.

Bible References

A jewel

1 Peter 3:3
whose adorning, let it not be the outward one of braiding of hair and of wearing of golden ornaments, or of putting on apparel;
2 Peter 2:22
It has happened to them according to the true proverb, "A dog having returned to his own vomit"; and "A sow that was washed, to her wallowing in mire."