Doctor: Did they die of natural causes?
Niko Bellic: I suppose... A bullet in the head is as close to natural causes as anything in this city.

The FIB? Do I look homosexual? Do you think I care about the size of your Johnson? Now... you can't always tell who the good guys are. I'm not a good guy. But I'm fighting with them, and guess what? So are you.

I have been to the other side. I have been there and it's incredible. They have flying elephants. They have men made out of chocolate. They have pizzas as big as the city. They have a prize for the a person with the biggest heart, not the biggest wallet.

Gordon Sargent: So you're in, big guy? Or are we gonna have to kill ya?
Niko Bellic: Well, since you put it that way... I'm in.

Elizabeta: Everyone's a rat!
Niko: Not me.