The language of mathematics is universal, transcending cultural and linguistic barriers.
数学语言是普遍的,超越了文化和语言的障碍。
The thing about life is that it's never the way you think it's going to be.
写作的艺术在于描述世界如其所是,同时如其所可能是。
压力造就钻石。
民主必须在每一代人中焕发新生,而教育是它的助产士。
When you have to kill a man it costs nothing to be polite.