1. Food is life, knowledge saves the soul

2. The food in the canteen is delicious, so be courteous when buying food.

3. When drinking water, think about the source, and when eating, be frugal. Every plate of Chinese food is a labor of love.

4. Without agriculture, there will be no stability, and without food, there will be chaos

5. The "food" heart of heaven and earth, precious food must not be eroded.

6. Pearls are treasures, rice is king

7. Saving is glorious, everyone praises it, waste is shameful, whoever hears it is disgusted.