心理学应关注心灵如何运作以解决实际问题，而不仅仅是其抽象结构。
Psychology should focus on how the mind functions to solve practical problems, not just its abstract structure.
I am not what I am.
When you have to kill a man it costs nothing to be polite.
The most important single aspect of software development is to be clear about what you are trying to build.