To solve a mathematical problem is to uncover a piece of the universal puzzle.
翻译:尺蠖弯曲身体是为了前进,龙蛇蛰伏是为了保存自己。
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
创新不在于技术,而在于思维方式。