One, don't wait for inspiration, just start the damned thing. Two, once you begin, keep on until the end. How do you know how the story should begin until you find out where it's going?
Roger EbertFrom a dramatic viewpoint, there are few professions that grant their members entry into other lives, high among them cops, doctors, clergymen, journalists and prostitutes. Perhaps that explains why they figure in so much television and cinema. Their lives are lived in the midst of human drama.
Roger EbertA young girl is possessed by a devil, and Constantine shouts, 'I need a mirror! Now! At least three feet high!' He can capture the demon in the mirror and throw it out the window, see, although you wonder why supernatural beings would have such low-tech security holes.
Roger Ebert