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“Physics teaches you to reason from first principles rather than by analogy. So I said, okay, let’s look at the first principles. What is a rocket made of? Aerospace-grade aluminum alloys, plus some titanium, copper, and carbon fiber. Then I asked, what is the value of those materials on the commodity market? It turned out that the materials cost of a rocket was around two percent of the typical price.”
ELON MUSK
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Is the act of deconstructing something to the fundamental parts that you know are true and building up from there.
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Method used by René Descartes in which he would “systematically doubt everything he could possibly doubt until he was left with what he saw as purely indubitable truths."
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Even if you aren't trying to develop innovative ideas, understanding the first principles of your field is a smart use of your time. Without a firm grasp of the basics, there is little chance of mastering the details that make the difference at elite levels of competition.
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Using First Principle Thinking in Practice
In theory, first principles thinking requires you to dig deeper and deeper until you are left with only the foundational truths of a situation.
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The Challenge of Reasoning From First Principles
One of the primary obstacles to first principles thinking is our tendency to focus on making slight iterations on the same theme. The problem is that, old conventions and forms are often accepted without question and they set boundaries around creativity.
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A first principle is a basic assumption that cannot be deduced any further.
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Many groundbreaking ideas have been a result of boiling things down to the first principles and then substituting one of the key parts for a more effective solution.
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"I tend to approach things from a physics framework. And physics teaches you to reason from first principles rather than by analogy. So I said, OK, let’s look at the first principles. What is a rocket made of? Aerospace-grade aluminum alloys, plus some titanium, copper, and carbon fiber...
ELON MUSK
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