数学家的模式,就像画家或诗人的模式一样,必须是美丽的。
"A good book is a friend that never leaves you."
The highest form of ignorance is when you reject something you don't know anything about.
合理安排时间就是节约时间。
我不是那种会让我的动力下降的人。
可持续发展不是一种选择;它是我们对后代的责任。
I'm not afraid of failure because it's part of success.