“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.”
“If your not my friend, then your my enemy and if your not my enemy then i don't know you.”
“Home is anywhere that you know all your friends and all your enemies.”
“How do I know I can trust you?''You can't,' he said bluntly. 'You've got to take it on faith that the enemy of your enemy is your friend.”
“To know your Enemy, you must become your Enemy.”