我们写的每一个字都是朝着理解自己和周围世界迈出的一步。
Happiness is not something ready made. It comes from your own actions.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The greatest works of art are born from the deepest sorrows.
城市的建筑应该讲述它的故事。