This example actually explains how much of our knowledge grows. We discover something, and if it’s useful, we build societal systems to accommodate that discovery, and finally, these systems make that knowledge available to everyone within that culture as it flows and pollinates.
How to Understand the Obvious
Zat Rana

This also applies on an individual basis I think. It is essentially how we grow and it certainly encourages life long learning along with inquisitive observations of what we see and are being told.