Love labor. There is no force that can make people become great and smart people like labor, the power of collective, friendly and free labor.

Working hard is the mother of all inventions. By working hard at everything, you can get the truth of things.

Labor is the basis and means of human existence, and the source of a person's physical, intellectual and moral perfection. —— Ushinsky

To cultivate abilities, you must continue to do them, and you must improve learning methods and improve learning efficiency at any time in order to succeed. ——Ye Shengtao

A day of hard work will lead to a night of peaceful sleep; a lifetime of hard work will lead to a long sleep of happiness.

——Leonardo da Vinci