先读经书，再读史籍，以经论史，评论古人史事，就不会与圣贤相悖；研读史籍，再温经书，以史证经，读书目的升华，决不仅为章句之学。
再说，义就是匡正的意思，不能以下正上，必须是以上正下。
That I exist is a pertetual surprise which is life.
"I think that mathematicians are much more like artists than they are like scientists."
The canvas is a battlefield where colors fight for survival.
A man who does not keep his word is no man at all.