"There are moments when the past feels so close you could reach out and touch it, and then it’s gone again, like smoke."
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
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。
There are two kinds of companies, those that work to try to charge more and those that work to charge less. We will be the second.
"A good book is an event in my life."