管理复杂性的关键在于关注组件之间的接口，而不是它们的实现。

房地产不仅仅是关于建筑，而是关于建设社区。

The joy of discovery is what drives mathematicians forward.

"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."

However difficult life may seem, there is always something you can do and succeed at.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.