The arithmetic of L-functions is a key to unlocking the secrets of number theory.
Psychology must be based on observable facts, not speculation.
不了解一个国家的文学,就无法理解这个国家的历史。
最成功的公司是那些能够适应不断变化的市场条件的公司。
Success in life means doing that thing than which nothing else is more dear to you.