Mao Collection, Upper Volume Radical: Heart (xīn) Total strokes: 17 Page 405, Entry 14 Pronounced ken. Shuowen Jiezi (Explanation of Simple and Compound Characters): Means sincere. Derived from the Heart radical with a phonetic component suggesting tearing or rending. Originally written as a variant form, now written as ken. Jiyun (Collection of Rhymes): Means sincere. Guangyun (Expanded Rhymes): Ken ce means utmost sincerity. Also means to trust. Sometimes written as a variant form. Biography of Liu Xiang in the History of the Former Han Dynasty (Qianshu): Frequent and earnest risk of the penalty of death. Commentary by Shigu: The meaning of sincere loyalty. Also written as a variant form. Book of Rites (Liji), Tan Gong: Sincere is his utmost. Commentary: The character is pronounced ken, meaning a sorrowful and sympathetic appearance. Also in the Rites of Zhou (Zhouli), Winter Offices, Artificers Record: Therefore the shaft should be firm and steady. Commentary: Firm and steady means solid and sharp. Zheng Sinong states: Read as ken, and the following character as tian.