The only way to learn mathematics is to do mathematics.

在科学中，最重要的是不要停止提问。

信心由对有利结果的积极预期构成。

最好的读者是阅读自己作品的作家。

Every artist dips his brush in his own soul, and paints his own nature into his pictures.

应对不自由世界的唯一方法是变得绝对自由，以至于你的存在本身就是一种反抗。