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The ideas I wish to describe are old ideas. There is practically nothing I am going to say tonight that could not have easily been said by philosophers of the seventeenth century. Why repeat all this? Because there are new generations born every day. Because there are great ideas developed in the history of man, and these ideas do not last unless they are passed purposely and clearly from generation to generation.
— Richard Feynman, “The Uncertainty of Science,” The Meaning of It All
