Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.

最终，重要的不是你生命中的岁月，而是岁月中的生命。

数学是一种超越文化和语言障碍的通用语言。

The most important political virtue is moderation, the ability to balance competing interests and values in a way that promotes the common good.

在市场设计中，简洁往往能带来更好的结果。