Spike: Now, I know you haven't been in the game for a while, mate, but we still do kill people. Sort of our raison d'être, you know.
...
Angelus: Spike, my boy, you really don't get it, do you? You tried to kill her, but you couldn't. Look at you. You're a wreck! She's stronger than any Slayer you've ever faced. Force won't get it done. You gotta work from the inside. To kill this girl ... you have to love her.
...
Angelus: Spike, my boy, you really don't get it, do you? You tried to kill her, but you couldn't. Look at you. You're a wreck! She's stronger than any Slayer you've ever faced. Force won't get it done. You gotta work from the inside. To kill this girl ... you have to love her.
Spike : Now, I know you haven't been in the game for a while, mate, but we still do kill people. Sort of our raison d'être, you know.
...
Angelus : Spike, my boy, you really don't get it, do you? You tried to kill her, but you couldn't. Look at you. You're a wreck! She's stronger than any Slayer you've ever faced. Force won't get it done. You gotta work from the inside. To kill this girl ... you have to love her.
http://www.tv-quotes.com/shows/buffy-the-vampire-slayer/quote_19976.html