损本逐末

Explanation: Utah forest for the trees. That abandon the fundamental, post in the minor details with the effort. 　　Source: "Sui Shu Li E Biography": "it is writing on complex, chaotic days of its administration, good by the Great Sage of abandoned rail mode, with a structure that is also useless. Loss of this by the end of the flow over the Chinese soil, delivery phase Shizu , for a long time and more fans. "