数学不在于数字、方程、计算或算法，而在于理解。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The best way to think about a program is to think about it.
良心是上帝在人间的存在。
Innovation requires both creativity and rigorous testing.
我不想成为老师。我想成为朋友。
"Don't be afraid to give up the good to go for the great."
生活是一件非常稀有的事情。