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。