“Sisters keep secrets.Because sisters' secrets are swords.”

“Sisters share a bond that no one can explain. They understand each other in a way not even girl friends can approach. Secrets, heartbreaks, codes, history, delights, and sheer happiness can be shared in a simple glance between sisters. Many have attempted to decipher the language between sisters, and many have failed. sisters everywhere understand the importance of the bond and respect the relationship in other sisters. There is nothing more prized to a women than the secrets she shares with her sisters.”

“Jon shrugged. 'Girls get the arms but not the swords. Bastards get the swords but not the arms. I did not make the rules, little sister.”

“Your sister came after me," Jack says. "Halloway got her riled up or something.""My sister?" Graham repeats. "My sister, Ellie?""No, the sister you keep locked in the attic," I say.”

“A few Paris blocks away I led a completely normal life with my sister & grandparents. And here I was sword fighting with dead guys.”

“Learn her skills, honor her sword, and keep her secrets.”