"I'm sorry to have to ask you to stay on the surface," he said, "but it would be a crime to let anyone with your frail nerves go down there. You can't imagine, even from what you have read and from what I've told you, the things I shall have to see and do. It's fiendish work, Carter, and I doubt if any man without ironclad sensibilities could ever see it through and come up alive and sane. I don't wish to offend you, and Heaven knows I'd be glad enough to have you with me; but the responsibility is in a certain sense mine, and I couldn't drag a bundle of nerves like you down to probable death or madness. I tell you, you can't imagine w'bat the thing is really like! But I promise to keep you informed over the telephone of every move—you see I've enough wire here to reach to the center of the earth and back!"