The Little Chickadee has sweet pendants, such as this Jabberwocky necklace that reads, "Twas brillig, and the slithy toves did gyre and gimble in the wabe."
If you'd like to make your own text-based jewelry, Adrianne Surian shares helpful info on her blog about how she made this Hunger Games Bracelet:
A bracelet like this would also lend itself very well to poetry, maybe something romantic and recognizable ("How do I love thee? Let me count the ways" or "I carry your heart"). Or you could use literary characters (the Wicked Witch and a bunch of flying monkeys, for instance).