From The Hunger Games: Catching Fire

President Snow: I have a problem, Miss Everdeen. A problem that began the moment you revealed those poisoned berries in the arena. If that Head Game-Maker Seneca Crane had any brains at all, he would've blown you to bits, then and there. But here you are. I expect you can guess where he is.

Katniss Everdeen: Yes, I think so.

President Snow: Well, after that fiasco, there was nothing left to do but let you play out your little scenario. [Smiles] And you were very good. Impressive! Truly! That whole love-crazed, besotted schoolgirl routine. You convinced the people in the Capitol. Unfortunately, not everyone in the Districts fell for it. I mean, you can't know this, but in several of them, people viewed your trick with the berries as an act of defiance. Not as an act of love. And if a girl from District 12, of all places, can defy the Capitol and walk away unharmed, what is to prevent them from doing the same? What is to prevent, say, an uprising? That can lead to revolution. And then in a fraction of time, the whole system collapses.

Katniss Everdeen: It must be a fragile system if it can be brought down by just a few berries.

President Snow: [Smiles] Yes, it is indeed. But not in the way you imagine it.

Katniss Everdeen: How should I imagine it?

President Snow: You should imagine thousands upon thousands of your people dead. This town of yours, reduced to ashes. Imagine it gone. Made radioactive. Buried under dirt like it had never existed, like District 13. [Pauses, looking at Katniss pointedly] You fought very hard in the Games, Miss Everdeen. But they were games. Would you like to be in a real war?