Explicit Knowledge

The real situation is that people need inexplicit knowledge to understand laws and other explicit statements, not vice versa. — David Deutsch, The Beginning of Infinity: Explanations That Transform the World

One consequence of this tradition of criticism was the emergence of a methodological rule that a scientific theory must be testable (though this was not made explicit at first). That is to say, the theory must make predictions which, if the theory were false, could be contradicted by the outcome of some possible observation. Thus, although scientific theories are not derived from experience, they can be tested by experience – by observation or experiment. — David Deutsch, The Beginning of Infinity: Explanations that Transform The World

One consequence of this tradition of criticism was the emergence of a methodological rule that a scientific theory must be testable (though this was not made explicit at first). — David Deutsch, The Beginning of Infinity: Explanations That Transform the World