The challenge is knowing which knowledge is worth acquiring. And then building a system to forward bits of it through time, to the future situation or problem or challenge where it is most applicable, and most needed.
Note: A good way to describe what the usefulness of a good notion system is. an external, integrated digital repository for the things you learn and the resources from which they come. It is a storage and retrieval system, packaging bits of knowledge into discrete packets that can be forwarded to various points in time to be reviewed, utilized, or deleted.
With a note-first approach, your notes become like individual atoms — each with its own unique properties, but ready to be assembled into elements, molecules, and compounds that are far more powerful.
“How do I make what I’m consuming right now easily discoverable for my future self?”