60年代读中学的时候，在一本课外读物上第一次读到英国物理学家牛顿那则著名的苹果故事。书上说，一天牛顿躺在苹果树下，恰好有一颗苹果落下来，“它为什么会从树上落到地下？”牛顿由此深思下去，终于发现了万有引力定律。读到这个故事时感到非常新奇，同时也感到牛顿这个人 When I was in high school in the 1960s, I read the famous apple story of Newton, an English physicist, on an extracurricular reading book for the first time. The book said that one day Newton lay under the apple tree, just an apple fell, “Why did it fall from the tree to the ground?” Newton thus pondered, and finally discovered the law of universal gravitation. It was a novelty when I read this story, and I also felt Newton