世界是一座墓地，而我们是它的幽灵。
The world is a graveyard, and we are its ghosts.
数学让我们看到支配周围世界的隐藏结构。
我是一个冒险者，我喜欢挑战自己。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
生命短暂，珍惜每一刻。