Matthew 7:6
"Do not give what is holy to the dogs, nor cast your pearls before swine; lest in turn they trample them under their feet, and then turn and attack you.
Matthew 13:45-46
"Again, the kingdom of heaven is like a merchant in search of beautiful pearls.
1 Timothy 2:9
in like manner also the women. I desire women to clothe themselves in suitable apparel, adorning themselves with reverence and self-restraint; not with hair plaited with gold or pearls, or with expensive clothes,
Revelation 17:4
The woman was enwrapped in purple and scarlet and was encrusted with gold and precious stones and pearls. In her hand she held a golden cup filled with abominations, even the impurities of her immorality.
Revelation 21:21
And the twelve gates were twelve pearls; each gate of one pearl. And the broad street of the city was of pure gold, transparent like glass.