数学是一项协作的努力。没有人可以单独完成。
对我们懂得生活的人来说,数字都是些无关紧要的事。
I am the only person in the world I should like to know thoroughly; but I don’t see any chance of it just at present.
你画的每一条线都有后果——空间的、结构的、社会的。
人生越是荒唐,死亡越是难以承受。
Sometimes, the smallest step in the right direction ends up being the biggest step of your life.
The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.