Zi Collection, Page Position: Lower, Radical: Strength (lì) Kangxi strokes: 12; Page 148 Ancient script. According to the Tang Rhymes (Tángyùn) and Jiyun (Jíyùn), pronounced láo. Shuowen Jiezi (Shuōwén Jiězì) says: strenuous. Composed of Strength (lì) and a shortened form of yíng. One who expends strength is láo. Erya (Ěryǎ), Explanation of Words, states: láo means diligent. In the I Ching (Yìjīng), Dui Hexagram: "By delighting the people first, the people will be dedicated to their toil." Records of the Grand Historian (Shǐjì), Annals of Emperor Wen: "I personally offer sacrifices to the Lord on High and all the gods. The officials of ritual deliberated on avoiding taboos to relieve my toil." Also, achievements are called láo. In the Book of Rites (Lǐjì), Conduct of the Scholar: "First effort, then reward." Annotation: "Similar to work." Also, worry. Cao Pi's (Cáo Pī) Letter to Wu Zhi (Wú Zhì): "Not enough to untie his knot of anxiety." Annotation: "Refers to a knot of worry in the heart." Also a surname. Guangyun (Guǎngyùn) states: During the Later Han dynasty, there was Lángyé Láo Bǐng. Also, according to the Tang Rhymes, Jiyun, Yunhui (Yùnhuì), and Zheng Rhymes (Zhèngyùn), pronounced láo (fourth tone). Guangyun states: láo means to comfort. In the Book of Rites, Summary of Rules of Propriety: "When the ruler comforts him, he bows." Yunhui states: "To comfort means to acknowledge one's diligence in response."