数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The greatest victory is the victory over oneself.
可持续发展不再是选择，而是负责任企业的唯一出路。
如果你懂得了孩子的语言，他们会与你更拉近。因为你这里有他需要的帮助，他会对你产生异样的亲切感。
We are never the same with others as when we are alone. We are different, even when we are in the dark.
I'm not a rapper, I'm a revolution.