The most important single aspect of software development is to be clear about what you are trying to build.
最成功的公司是那些倾听客户需求并随之发展的公司。
"I must say a word about fear. It is life's only true opponent. Only fear can defeat life."
No one can rob us of our quest for truth.
解析：事和道是一体的。
真正的理解来自于把握问题的内在结构关系