【释义】:慷慨但不浪费,节俭却不吝啬。  
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
做出伟大工作的唯一途径就是热爱你所做的事。如果你还没找到,继续寻找,不要安于现状。
在代数中,两个量的相等性通过方程来表达。
The advantage of a ridiculously ambitious goal is that it sets the bar very high so even in failure it may be a success measured by the ordinary.