突然发现自己终此一生只讲真话,对一个人来说一件很恐怖的事情。
It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.
The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.  
我们永远是自己的时刻之创造者。
我们需要将贫困视为一系列相互关联的问题,而不是一个单一的问题,这些问题需要量身定制的解决方案。
他是一个一直太骄傲而不愿寻求帮助的人,现在他太骄傲而不愿接受帮助。
The best way to learn mathematics is to do mathematics.