Purchase one of 1st World Library's Classic Books and help support our free internet library of downloadable eBooks. Visit us online at www.1stWorldLibrary. ORG - - The Old Man and the Young Man had been conversing. The Old Man had asserted that the human being is merely a machine, and nothing more. The Young Man objected, and asked him to go into particulars and furnish his reasons for his position.] Old Man. What are the materials of which a steam-engine is made? Young Man. Iron, steel, brass, white-metal, and so on. O. M. Where are these found? Y. M. In the rocks. O. M. In a pure state? Y. M. No - in ores. O. M. Are the metals suddenly deposited in the ores? | What Is Man? by Mark Twain, Hardcover | Indigo Chapters