一个好的机械师不仅仅是一个会锉锤的人，而是能够创新和完善的人。
A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.
我不害怕说出我的想法。
The essence of mathematics lies in its freedom.
In the end, all we have are the stories we tell ourselves.
