数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
生产力反而经常分散我们的注意力。不要试图寻找更快完成任务的方法,而是把精力放在你根本不想停下来的任务上。
I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.