Yu wen ke jiao xue yan jiu yu shi xi/ Zi ran ke jiao xue yan jiu yu shi xi/ Yin le ke jiao xue yan jiu yu shi xi/ Xin xi ji shu jiao xue yan jiu yu an li/ Zi ran ke jiao xue yan jiu/ Shu xue ke jiao xue yan jiu/ Ti yu ke jiao xue yan jiu/ Yin le ke jiao xue yan jiu/ Guo ji mao yi shi wu yu shi xi/ Guo yu wen jiao xue yan jiu/