I think the most important thing is to be honest and truthful.
维护程序的最好方法是维护它。
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。
不要浪费危机和灾难。没有问题,就没有进步。
The artist's role is to question, not to answer.