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.
"The truth is not always found in facts, but in the spaces between them."
数学是一种超越文化和语言障碍的通用语言。
我宁愿发疯，也不愿理智。