A piece of chalk, a clean slate, a three-foot platform, four seasons of rain and dew sunshine, plus internal organs and various words, Jiu Si believes that teaching must be done well, with dripping sweat and sincere fragrance.
Ten years of cold window, nine chapters of arithmetic, eight essays, seven latitudes of geography, six righteousness and five classics, four books and three virtues, two elegance and one heart, tireless teaching, effortless, moral education talents make China.