We think in questions. If knowledge is a complex web inside the mind, each node is a question, and each connecting line the information you’ve picked up on the journey from node to node. The pursuit of knowledge is the accumulation of questions. They shape our identity as much by being asked as by being answered.

And here’s an obvious trick: The best way to learn how the world works is to realize how connected everything is. The big lessons from one field can often teach you something critical about other fields.

We’re usually taught as if math is math and chemistry is chemistry, with each field siloed off in its own department, focused on its own truths.

But

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ntra-subject : Within a particular subject, you'll have an organization. You'll have your speed thoughts for that subject, you'll have your maps, you'll have your big dissertations (``Point of Interest'', or ``POI''), you'll have your cheat sheets, your abbreviations/shorthands (``A/S'') particular to that subject, all sorts of wonderful things.... See more