每个数学问题都有一个解决方案；有时只是需要时间去找到它。
Every mathematical problem has a solution; sometimes it just takes time to find it.
世界充满了故事，但这些故事都是一个。
Better never means better for everyone... It always means worse, for some.
Sustainability isn't a choice anymore—it's a necessity for survival in this industry.
I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.