Nahum Witley: All that remains of Corbin is a few harmless objects in the cellar.
Hopkins: There's one thing that every intelligent thing is afraid of - fire! If a species ever develops that isn't, it could be the end of the world.
Capt. Mark Markary: I'll tell you this, if there 'are' any intelligent creatures on this planet... they're our enemies.
Stan: Susan's got a lot of the right things to put in the right places, and she's all mine.
Narrator: What you are about to see may not even be possible, within the narrow limits of human understanding.
Karen Grant: He could be out there somewhere wandering around. Hurt.
Dr. Adam Steele: You mean defective, inoperative.
Karen Grant: I know he's not human, but he's capable of experiencing pain.