如果没有冬天的寒冷来赋予它甜蜜,夏天的温暖又有什么好处呢?
管理者接受现状;领导者挑战现状。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
最好的决策是结合数据、直觉和经验做出的。
The truth is often hidden in the most ordinary places.