Li's point of view has changed before and after. In the early stage, he despised the western system and only thought that western firearms were worth learning. Later, with the deepening of understanding, he realized that China's system had more shortcomings and needed to learn from the West.

The original point of view was "taking middle school as the body and western learning as the use." The measure taken is to "learn from foreigners to control foreigners."

Later, the view was that western learning also had quite unique characteristics, and it chose the good and the learned. The measures taken are "learning from foreigners and constantly striving for self-improvement"