Remind people to value food, be grateful for labor and cherish food. This sentence is taken from the poem "Shi'er" by Lu You, a poet of the Tang Dynasty. The meaning of this sentence is to remind people to cherish food, be grateful for labor and cherish food. While people enjoy delicious food, they need to remember the hard work and effort that goes into the production process behind it. It is a way to advise people to cherish food, not waste food, and pay attention to respect and gratitude for farmers' labor.