Zombies will try to scale any surface no matter how unfeasable or even impossible. In all but the easiest situations, these attempts have met with failure. Even in the case of ladders, when simple hand-over-hand coordination is required, only one in four zombies will succeed.

I think the fascination with zombies is that they don't obey the rules of monsters. The first rule of monsters is that you have to go find them. You have to make a conscious choice to go to the swamp or the desert or the abandoned summer camp.

If I thought there was any hope of turning 'World War Z' into a movie, I wouldn't have written it as a giant, epic, global story, because that requires a giant, epic, global budget.

Before I'm a zombie nerd, before I'm a science-fiction nerd, I am a history nerd.

Zombies have no memories of their former life. You wont see the undead trying to wash windows or do your taxes. All they know how to do is swarm and feed.

They say great times make great men. I don't buy it. I saw a lot of weakness, a lot of filth. People who should have risen to the challenge and either couldn't or wouldn't. Greed, fear, stupidity and hate. I saw it before the war, I see it today. [...] I don't know if great times make great men, but I know they can kill them.

Gu was a worrier, a neurotic curmudgeon. If he had a headache, it was a brain tumor; if it looked like rain, this year's harvest was ruined. This was his way of controlling the situation, his lifelong strategy for always coming out ahead. Now, when reality looked more dire than any of his fatalisitic predictions, he had no choice but to turn tail and charge in the opposite direction.