Answer: I suppose every one must have reflected how primeval and how poetical are the things that one carries in one's pocket; the pocket-knife, for instance, the type of all human tools, the infant of the sword.
Step-by-step explanation: "primeval" and "infant" indicates objects in the beginnings of their development. This is the only sentence that talks about mundane, small objects and their significance as they evolve. Correct on Edmentum.