Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
写作是耐心和固执的问题,而不是天赋。
Poor is the man whose pleasures depend on the permission of another.
The best business decisions are made when you combine data with human insight.