The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
自然从未完成;画面永远不会完整。
高分子化学的引入开辟了一个新的材料世界,其重要性可与发现新大陆相媲美。
我在想,革命是不朽的。