A standard skill gives you one return. A meta-skill gives you a return on every other skill you learn after it.
Learn to read and you can learn from books. Learn to write and you can build a note-taking system that helps you think.
The catch is that compounding works both ways. Leaving a meta-skill undeveloped is a bit like keeping your money under the bed rather than in a savings account.
https://www.ctnet.co.uk/meta-skill-explained/
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