Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

最重要的是关注用户，其他一切都会随之而来。

Young girls are told you have to be the delicate princess. I'm trying to show they can be the warriors.

解决问题仅仅意味着以某种方式表示它，以使解决方案变得透明。

科学家不是给出正确答案的人，而是提出正确问题的人。