The city is the greatest invention of mankind, and architecture is its language.
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。
文章必须对天下人有益处。
The beauty of mathematics lies in its ability to describe the universe with such precision.