现在这个数学书只有2种，一种啊你看完第一页你就看不下去了，还有一种你看完第一句话你就看不下去了。
这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。
"We are all in the gutter, but some of us are looking at the stars."
I think the biggest thing is just to be yourself and to be comfortable with who you are.
我不是一种潮流，我是一个标志。
"Silence can be the most powerful form of communication."