"Canst thou grow a new hand, if needed?"
Oscar admitted that he could not.
"Then do not tamper with that which thou dost not understand."
Using their own methods the natives soon had the door cleared. It was latched but not locked; the door refused to open for a moment, then gave suddenly. They scrambled up into the airlock. "Wait a minute," Matt whispered. "Hadn't we better go easy? We don't know that the infection that got them is necessarily dead."
"Don't be silly," Tex whispered back. If your immunizations hadn't worked, you'd have been a sick chicken long ago."
"Tex is right, Matt. And .there's no need to whisper. Ghosts can't hear."
"How do you know?" objected Tex. "Are you a doctor of ghostology?"
"I don't believe in ghosts."
"I do. Once my Uncle Bodie stayed overnight-"
"Let's get on inside," Matt insisted.