设计系统最难的部分是决定构建什么。
The hardest part of designing a system is deciding what to build.
Architecture must be humble, it must serve, not dominate.
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.
不要赔钱!!!客观地评估每个机会的风险。
孩子不是需要塑造的物品,而是需要展开的人。