The best way to learn mathematics is to do mathematics.
"I don't want to be a star—I want to be a legend."
Advertising doesn't create a product advantage. It can only convey it.
"The act of writing is an act of hope."
A mathematician is a device for turning coffee into theorems.
服务是美好的,但只有在带着快乐、全心全意和自由的心态去做时才是如此。