数学不是关于数字、方程、计算或算法的：它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
最好的建筑来自约束，而不是自由。
There are no second acts in American lives.
My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.
The best leaders are those who empower others to lead.
"Writing is a way to give voice to our fears."