Zeng Guofan said, "As for defeat, it is either arrogant or lazy."

Losing in the war is either arrogant or lazy, and losing in life is either arrogant or lazy.

Therefore, "diligence can eliminate evil", Zeng Guofan felt that he had 100 shortcomings, bad personality and low intelligence. But diligence can eliminate all shortcomings. As long as you are diligent enough, all problems can be solved.