The development of computational complexity theory has shown us that not all problems are created equal.
数学的快乐来自创造的行为,而不仅仅是结果。
I think it's important to stay curious and to never stop asking questions.
There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.
The ladder of success is best climbed by stepping on the rungs of opportunity.
每部电影都是一次旅程,不仅对观众如此,对演员也是如此。