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。
The past is not dead. It is not even past.
You are not only responsible for what you say, but also for what you do not say.
People tend to value things more highly when they own them.
"A great leader listens more than they speak."