The writer must be a heretic, a questioner of all absolutes.

我们都在阴沟里，但仍有人仰望星空。

The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.

Education is not about filling a bucket, but about lighting a fire.

我不让失败定义我，我让它磨砺我。

数学家的直觉和严谨的证明同样重要。