最好的公司不只是销售产品，他们还销售信任和可靠性。
The best companies don't just sell products; they sell trust and reliability.
"A man is rich in proportion to the number of things he can afford to let alone."
If you do not believe in yourself, no one else will.
In mathematics, the journey of discovery is as important as the destination.
记忆不仅是个人的事情，也是集体的事情。
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。