Irony in Feynman's preface to the print copy of his Lectures: "It’s impossible to learn very much by simply sitting in a lecture, or even by simply doing problems that are assigned. But…we have so many students to teach that we have to try to find some substitute for the ideal."
Conversation
Worth including "the ideal": "a direct individual relationship between a student and a good teacher—a situation in which the student discusses the ideas, thinks about the things, and talks about the things."
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There is so much in between "the ideal" and the inadequate lecture!
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