“And this was your friend?" Cordelia raised her eyebrows. "Seems to me the only difference between your friends and your enemies is how long the stand around chatting before they shoot you.”
“You cannot be betrayed by your enemies, only your friends.”
“If you know your enemy as you know your friend," her mother had said when she gave Mei the book, "then there is hope your enemy will become your friend.”
“It’s the enemy of your enemy who is your friend Sophie, not the friend of your friend.”
“Your enemies can kill you, but only your friends can hurt you.”