实验中的每一次失败都是离成功更近的一步。

Every mathematical problem is a window into a new world of understanding.

Sometimes you have to lose yourself before you can find anything.

"Ein Buch ist wie ein Garten, den man in der Tasche trägt."

Every man has a property in his own person. This nobody has a right to, but himself.

真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。