The only true immortality is when you don't care if you die. The moment you stop giving credence to gain is when you become invulnerable to pain.

If you're doing a big spectacle film, you've got to be mindful of large masses. Even then, you've got to be responsible only to your storytelling.

Ghosts are a metaphor that can be interpreted so many different ways. There's no ending to what you can do. You can make it a fun ghost story. You can make it a deeply disturbing, psychological ghost story.

When you have the intuition that there is something which is there, but out of the reach of your physical world, art and religion are the only means to get to it.

Hellboy is the first movie where both ends of the spectrum are combined

I have a sort of a fetish for insects, clockwork, monsters, dark places, and unborn things

The underground of the city is like what's underground in people. Beneath the surface, it's boiling with monsters.