Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
在向埃及的远征中,拿破仑下达过这样的一个命令。
Quality is the result of a carefully constructed cultural environment. It has to be the fabric of the organization, not part of the fabric.
The present is the future of the past.
无论如何都要忠于自己