I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.

当你认为已经完全理解一个角色时，就是你失去他们的那一刻。

Dance is another way to express myself when words aren't enough.