I don't believe in principles, in case you haven't noticed.
数学不是一项观赏性运动;要理解它,必须积极参与其中。
以德行来排列位次,按官职来处理政事,按照劳绩来决定赏赐,衡量功勋二分给俸禄。 
做出伟大工作的唯一方法是热爱你所做的事情。
浪漫的精髓就在于它充满种种可能。
The greatest enemy of intimacy is irony.
I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.