最好的学习方式就是从错误中吸取教训。

光就是一切。它定义形式，创造空间，并赋予画作生命。

我无话可说，我正在说它。

Don’t let anyone tell you what you can’t do. Prove them wrong.

A mathematician's work is never done; there are always more problems to solve.

材料即信息。