- Lucifer: This Dick Tracy is a dangerous adversary.
- The Ghost: He's clever, I'll grant him that. But he can't fight an invisible man!
- Lucifer: I begin to see your plan. By creating a reign of terror, you can force the city to accept any demands you make!
- Dr. Jonathan Martin [Ch. 1]: The Amsterdam Fault, a volcanic fissure opening into the subterranean fires miles below New York. Sea erosion has sealed up that vent, but a few depth charges will smash through and bring about an earthquake and a tidal wave that will be catastrophic. The Ghost isn't bluffing! He *can* destroy New York!