Every artist dips his brush in his own soul, and paints his own nature into his pictures.
存在与时间相互归属。
没有行动的数据只是噪音;农民需要的是工具,而不仅仅是信息。
自动控制的根本问题是在存在干扰的情况下维持期望状态。
The best revenge is massive success.