To truly understand something, you can’t just read about it. You must grapple with it: practice it, write notes, write a blog post, etc. When you do this, your mind starts to solidify the idea and form connections from that idea to adjacent ideas and concepts.
There’s different ways to grapple with different types of ideas:
Grappling with an idea also helps you understand whether it applies to your reality: sometimes, an idea seems cool in theory but breaks down when applied. This is why you should always Be wary of flawless ideas.