It is difficult to completely find this sentence. For the words that do not appear in Liu Gongquan's copybook, I can only find some similar words. I hope it will be helpful to you.
If you are a beginner in calligraphy, I suggest you read "How to choose calligraphy brush copybooks for beginners (with names of 46 classic inscriptions)". It mentions many methods of selecting calligraphy. I hope it will be useful to you.