They were sitting in McGinnis' pleasant office, the windows of which overlooked Lake Michigan. The old man had cocked his feet up on his mahogany desk and had about him an air of leisurely interest. He gave Roger the mate to the long brown cigar he himself was smoking and after a few minutes Roger said, hesitatingly: "When I was a kid of fourteen, labor difficulties ruined my father. He owned a little plow factory, employing a couple of hundred men. I got a good deal of the men's side for I worked as a forge boy that summer, but after the crash, for a long time, I was all for father's side of the matter. Gradually though, I began to think differently.
"I began to be sorry for the men as well as for my father. They were hardworking, ambitious chaps who wanted to get ahead, just as my father did. They took the only way they saw for getting ahead. They didn't believe that just because father was the brain of the concern, he should be well-to-do and they poor.
"I couldn't find any system of government that I was convinced would remove the economic inequalities that were the root of the trouble. So I began to think about sources of wealth. You can see how my mind fastened first on machinery, then on power, then on quantity and accessibility of power; then solar heat."
McGinnis nodded, then smiled. "You're a damn queer inventor. What do you expect to get out of it?"
"All any man can get on the physical side out of anything is a living," replied Roger. "What I am getting and expect to have more of, is some great adventures."
McGinnis smoked for a while and said, "If I were twenty-five instead of seventy, I'd look at it as you do. Being seventy I have to say to you, me boy, that though some day you may work out a practical plant for hot countries, you'll never solve the labor problem. As long as human nature exists we'll have social inequalities. But, after all, as long as you contribute something real to the world in the way of a power idea, devil a bit does it matter what motive put you at the job."
Roger smoked in silence.
"Had any encouragement in Chicago?" asked the older man.
"Not a bit," replied Roger, cheerfully. "But the trip has done me good. I've learned that I can't sell an idea. I've got to sell a working plant."
"Right you are! And with the patent situation fully covered. Those drawings of yours are full of interesting suggestions for makers of any kind of engines. Philanthropic of you to show them about Chicago."