—— 请按键盘 空白键 开始游戏 ——

构建软件系统最困难的部分是准确决定要构建什么。
The hardest single part of building a software system is deciding precisely what to build.
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
互联网有能力改变生活,但前提是我们确保每个人都能使用它。