There are several versions of the source (or author):
(1) the old saying, or proverb, saying, not from which celebrity.
② Land tourism
③ Zhu Xi
④ Du Fu
⑤ Mao Zedong
⑥ Chen Yi
Today, check the electronic retrieval versions of all Tang poems, all Song ci poems, Sikuquanshu and four series books to make sure that there are no these two sentences among ancient poets. I also searched Chen Yi's poems (incomplete), and through online search, it was basically determined that they were not written by Mao He, so it was basically determined that they were proverbs and not written by someone.
The diligent article comes from A Warning to the World.
Epilogues are folk proverbs and maxims.
Warning the progress of the story:
There are fields that don't plow and books that don't read.
Bao Jianfeng came from sharpening the fragrance of plum blossoms to bitter cold.
Young people and young people come to school without studying hard and regret being late.
When a book is used, it is hard to hate small things until it is passed.
Board orange will sit for ten years without writing an empty article.
Wisdom comes from diligence, and greatness comes from the ordinary.
There is a road in Shushan, but there is no limit to learning the sea.
If you don't work hard when you are young, your boss will be sad.
You must work hard to survive and develop.