China's earliest written record on handicrafts, the K'ao Kung Chi, states: "Heaven has its times, Earth its weather, bamboo its beauty, and work its craftsmanship; combine these four and you can achieve the good."
我國古代保存手工業生產最早的文獻資料「考工記」中說：「天有時，地有氣，材有美，工有巧，合此四者，然後可以為良。」