"I should think they would use it for something else."
"What else?"
"I don't know."
"Neither do I. We don't use gas for anything else, except running the gas engines over on the other side of the yard. I guess you don't know much about this business, or you wouldn't be asking such questions."
"One never learns much unless he does ask questions," answered the lad. "I have learned more from asking questions that I ever have any other way."
"That's right, so long as you can find anybody who's willing to answer fool questions."
Steve walked away without replying. His mind was at work, what Jarvis called working over time. The lad was thinking deeply over what he had discovered, and, though he did not realize it at the time, he had come upon an idea that was to work a great change in one department of the great steel industry.