Li Shen from the Tang Dynasty. The full text is to plant a millet in spring and harvest 10 thousand seeds in autumn. There is no waste of heaven and earth, and the toiling peasants are still starving to death. As long as a seed is sown in spring, a lot of food can be harvested in autumn. In all parts of the world, no field is uncultivated and uncultivated, and hard-working farmers will still starve to death.