Tracing back to the source
Tracing back to the source, Chinese idiom, Pinyin is s ù Li ú C ú Yu á n, which refers to tracing back to the source of the river along the tributary. It comes from Song Zhoumi's "Qi Dong Ye Yu · Daoxue". The idiom comes from the Song Dynasty Zhoumi's qidongyeyu · Daoxue: "it can invent the will of the sages and trace back to the source. It is said that Jie zhuoran is a family of his own, only Zhang Jingfu of Guanghan, LV Bogong of Donglai and Zhu Yuanhui of Xin'an."
Tracing back to the source
The old road is not the same as the old one - shú lù qīng zhé
evoke memories of the past while living in the present - fǔ jīn sī xī
there is a chill in the spring air - chūn hán liào qiào
a good omen for military operations - bái yú dēng zhōu