Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
數(shù)學不是關于數(shù)字、方程、計算或算法的：它是關于理解的。
寫作就是抵抗時間的侵蝕，與遺忘抗爭。
我不相信任何事，而這是我唯一相信的事。
One cannot think well, love well, sleep well, if one has not dined well.
"Language is the house of being. In its home man dwells."
可持續(xù)性不是一種選擇；而是我們對后代的責任。
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.