What poems are used to educate people to save food and cherish the fruits of farmers' labor?

Education saves food and cherishes the fruits of farmers' labor.

In spring, as long as you sow a seed, you can harvest a lot of food in autumn. There is no waste of heaven and earth, and the toiling peasants are still starving to death. Li Shen's "sympathy for farmers"

At noon in summer, the sun is very hot, farmers are still working, and beads are dripping into the soil. Who knows every grain of Chinese food is hard! Li Shen's "sympathy for farmers"