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软件开发中最重要的一个方面是明确你要构建什么。
The most important single aspect of software development is to be clear about what you are trying to build.
【释义】:人在幼年时精神专注,成年后心思分散,教育要趁早,别错过时机。  
数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时,你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。
经济不平等不仅是一个道德问题,也是一个经济问题。
The less secure a man is, the more likely he is to have extreme prejudice.
Sustainability is not just about planting trees; it's about planting ideas that grow into actions.