民以食为天

Explanation: Day: metaphor for the survival of the most important thing. People living on food for their own system. Important that people eat. 　　Usage: Complex sentence; as object, attribute; that the importance of food 　　Source: Han Ban Gu "Han Li Shi Qi Biography": "King to the people for days, but Food is." 　　Examples: Serving the country, ~. (Wu, "Ms. Wan-Shen Li Ying") Thesaurus:  State grain-oriented