Ask HN: What's a blogpost that you keep referring to for years?

Here are some of those blog posts that are a few years old and still keep coming back to mind in very unrelated moments. Curious which ones have stuck with you.

http://johnsalvatier.org/blog/2017/reality-has-a-surprising-amount-of-detail

https://www.collaborativefund.com/blog/keep-running/

https://www.linkedin.com/pulse/terabytes-truth-filip-dou%C5%A1ek/

https://www.huffpost.com/entry/business-is-fractal_b_3527721

https://julian.digital/2020/03/28/signaling-as-a-service/