要理解一个地方,你必须首先理解它是如何形成的。
数学的研究是所有智力和精神进步不可或缺的基础。
Change the way you look at things and the things you look at change.
我不是那种会让对奉献的热爱减少的人。
The more you know about something, the more interesting it becomes.
Mom, why do you laugh so much? / Because I have you as my daughter.