“You can't just go around killing people.You're right. You can't go around killing people.”
“So?" Bob said. "Hat up, go kill her. Problem solved." "Bob," I said. "You can't just go around killing people." "I know. That's why you should do it." "No, no. I can't go around killing people, either.”
“You can't go around making plans that have you getting killed as a by-product. Eventually one of them is going to work.”
“Boy, you just can't kill people like you used to,”
“You can't just go around blurting out the truth like a prophet with Tourette's syndrome.”
“You can't kill us all, human.' He was right. I raised the machine gun a little. 'True, but who's going to be first in line?”