The true test of a mathematical idea is its ability to inspire further thought.
The real question is not whether machines think but whether men do.
你可以是世界上最美丽的人,每个人看到你时都看到光明和彩虹,但如果你自己不知道这一点,所有这些都不重要。
The world is a book, and those who do not travel read only one page.