Clark: I saw what you did to Lionel. You don't want to save anyone.
Zor-El: The weak must be sacrificed for the greater good. Something your father could never understand. He could have saved Krypton if he wasn't such a feeble-minded pacifist.
Clark: Jor-El did the best that he could.
Zor-El: Yes. And where is he now? What is he now? A voice. I'm here, in the flesh. Ready to serve my people.