关系模型基于谓词逻辑和集合论,为数据库管理提供了坚实的数学基础。
如果你不愿意冒险尝试不寻常的事情,你就只能安于平庸。
I try to reveal the complexity of humanity through my work.
The only person you should try to be better than is the person you were yesterday.
一本书是世界的一个版本。如果你不喜欢它,忽略它;或者提供你自己的版本作为回应。
预测未来的最好方法就是创造未来。
Short-term gains in fishing often lead to long-term losses for everyone involved.
The best way to find out if you can trust somebody is to trust them.