What we have to do is find a way to celebrate our diversity and debate our differences without fracturing our communities.

出自汉·桓宽《盐铁论·通有》。天下的利益，没有人不想得到，因此要能够得到山中和海里的货物，便会不会不富有。这句话指出应大力开采山中和海里的物质资源。

In mathematics, the art of proposing a question must be held of higher value than solving it.

Productive thinking is characterized by the sudden appearance of the solution as an insight.

力的统一不仅是数学上的梦想，更是物理上的必然。