Every mathematical problem has a solution; sometimes it just takes time to find it.
每个数学问题都有一个解决方案;有时只是需要时间去找到它。
"The world is a book, and those who do not travel read only a page."
Quality is never an accident; it is always the result of intelligent effort.
阅读的艺术在于明智地跳过。
我不是说唱歌手,我是一个意大利语的传奇。