The most important thing in mathematics is to have a good intuition.
模型只是模型,而非事物本身。因此我们既不能过分依赖它们,也不能完全不依赖。
Every ton of coal we extract must create maximum value with minimum environmental impact.
The best leaders are those who listen more than they speak and act with integrity.
故事将我们从世界的冷漠中拯救出来。