The city's poor are like the roots of a tree: unseen, but essential to its survival.
城市的穷人就像树的根：看不见，但对生存至关重要。
In business, if you're not moving forward, you're falling behind.
"There are two occasions when the sacred beauty of Creation becomes dazzlingly apparent, and they occur together. One is when we feel our mortal insufficiency to the world, and the other is when we feel the world's mortal insufficiency to us."
最好的数学不仅仅是逻辑的；它是直观和创造性的，将严谨与想象力结合在一起。
数学是一种超越文化和语言障碍的通用语言。
我们今天所做的每一个决定都在塑造我们为明天留下的遗产。
We are in the business of helping our customers succeed, not just selling them products.