You can't manage what you don't measure - that's why transparency is the foundation of sustainable manufacturing.
你无法管理你不测量的东西——这就是为什么透明度是可持续制造的基础。
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
In mathematics, the journey of discovery is often more rewarding than the destination itself.
韩寒:“其实说穿了,教师只是一种职业,是养家糊口的一个途径,和出租车司机,清洁工没有本质的区别。”