Man's freedom is his limitation.

土地是一种独特的生产要素，其供给是有限的。

写作是见证真相的一种方式。

The most important single aspect of software development is to be clear about what you are trying to build.

这个理存在于宇宙间，本来就不因为人的明白不明白、实行不实行而有所增减。