Guillermo Del Toro said this quote

I'm serious, Jim. You need to put this crap away. You walk into school on Monday talking to me, or anyone else, about the city's pesky troll problem, and you're not exactly going to get a lot of people saying, 'Gee, thanks for the warning.' It'll spread faster than mono. You think things are tough for us now? Jim, this will be the end. I'm sorry if you had a crazy nightmare. I really am. But I can't let you ruin our lives.

~ Guillermo Del Toro

He paused in the hallway, sniffing the air. He scowled, sniffed some more. He pressed an intercom button on the wall. Betty, I distinctly smell sewage. Could you get a plumber out here ASAP? Several curly hairs fluttered in the air after he was gone. I clutched at the arm of the dentist chair. This isn't a joke, Tub! I'm in trouble. We're all in trouble, the whole town, the whole world! You have no clue. You have no idea what kind of things we're dealing with here. There's a whole land of --

~ Guillermo Del Toro

Something warned me that what I might see would haunt me forever.

~ Guillermo Del Toro

Power revealed is power sacrificed. The truly powerful exert their influence in ways unseen, unfelt. Some would say that a thing visible is a thing vulnerable.

~ Guillermo Del Toro