Design should solve problems, not create new ones.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

We’re not focused on the numbers. We’re focused on the things that produce the numbers.

最大的财富是知足常乐。

实现不可能的唯一方法是相信它是可能的。

幸福不在于财富和黄金，幸福之感存在于灵魂之中。