‘The Meaning Of It All’ by Richard Feyman:

...science as a method of finding things out. This method is based on the principle that observation is the judge of whether something is so or not. All other aspects and characteristics of science can be understood directly when we understand that observation is the ultimate and final judge of the truth of an idea.

Or, put another way, ‘The exception proves that the rule is wrong.’ That is the principle of science. If there is an exception to any rule...

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The Scientific Checklist:

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