Is there a difference between a multi-pagoda monument and a diligent monument? I can't change it from official script, and I haven't read regular script. It looks the same, but it's different. ...

Hello, these two tablets are both classic tablets of Yan Zhenqing, but one is in the early years and the other is in the later years. If you are a beginner, you can learn these two tablets first, or it may be easier to start with many pagodas. For the selection of copybooks, you can find this article and read How Beginners Choose Brush copybooks (with the names of 46 classic calligraphy introductory copybooks).