“I can be a good friend, or a bad enemy.”

“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.”

“Only a true best friend can protect you from your immortal enemies.”

“You've got to take it on faith that the enemy of your enemy is your friend.”

“Good can still exist when bad things happen, just as evil persists when good things happen.” - Carter to Georgina”

“Most good things come with the risk of something bad.”

“For every bad thing in life, there are more good things to tip the balance.”