The Earliest Hunters
The Cave Man and his descendants learned the valuable lesson of stone-throwing, and it made hunters of them, not big-game hunters—that was far too risky; but once in a while a lucky throw might bring down a bird or a rabbit for food. And so it went on for centuries, perhaps. Early mankind was rather slow of thought.
At last, however, there appeared a great inventor—the Edison of his day.
He took the second step.