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

化学的艺术在于分离、识别和量化不同物质的能力。

Do not use power to suppress opinions you think pernicious, for if you do the opinions will suppress you.

树林里分出两条路，而我选择了人迹罕至的那条，这决定了一切。