1 Peter 3:3-4

Your adornment must not be merely outwardbraiding the hair, and wearing gold jewelry, or putting on fine clothing;

2 Peter 2:22

It has happened to them according to the true proverb, "A dog turns back to its own vomit," and, "A sow, after having washed, returns to wallowing in the 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
Your adornment must not be merely outwardbraiding the hair, and wearing gold jewelry, or putting on fine clothing;
2 Peter 2:22
It has happened to them according to the true proverb, "A dog turns back to its own vomit," and, "A sow, after having washed, returns to wallowing in the mire."