采椽不斫

Explanation: Mining: oak wood. Metaphor of a simple life. 　　Source: "Han Feizi": "Yao Wang Tianxia also, not Jian Mao Heights, mining rafters do not chop." Han Cao Cao "degree Kwan Shan" Poem: "less than Rhodium, mining rafters do not chop. Sai Bo sighed, trying to use Li vulgar. "