The only way to learn mathematics is to do mathematics.

我的艺术源于只有我能看到的幻觉。我将困扰我的幻觉和强迫性图像转化为雕塑和绘画。

在帮助孩子健全发展的过程中，最常被人忽视的，就是人性的特质――孩子精神上的需要。

"I wanted to write a book that was funny, but also made people think."

文学是人类的记忆。

One never notices what has been done; one can only see what remains to be done.