Question: What's the biggest room in the world?
Answer: The room for improvement!
This, in general, should sum up the attitude you should have when working on enormous projects, and keep learning for life topics such as Linux. We, again, urge the reader to not only read for conceptual understanding—that's important!—but to also get their hands dirty and write the code. Make mistakes, fix them, and learn from them. Contributing to open source is a fantastic way to do so.