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https://supertoast.pt/2019/10/22/elon-musk-its-very-important-to-have-a-feedback-loop-where-youre-constantly-thinking-about-what-youve-done-and-how-you-could-be-doing-better/
Elon Musk: "It’s very important to have a feedback loop, where you’re constantly thinking about what you’ve done and how you could be doing better."