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.
Your work is going to fill a large part of your life， and the only way to be truly satisfied is to do what you believe is great work.
Sustainability is not just about the environment; it's about creating long-term value for all stakeholders.
买的越多，省的越多。
The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.