I have never made a friend from whom I could not separate, and I have never made an enemy that I could not approach.

You should never appease terrorists. The mistake made by critics of the 'talking to your enemy' approach is to equate talking with appeasing.

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.

Enemies disguise as friends and friends as enemies.

I suppose [...] that the most convincing way to fool an enemy would be to fool a friend.

The enemy of my enemy is my friend, men said, but the enemy of my friend is my enemy.