In life, there are always some seemingly insignificant fragments at that time, but in fact they affect the overall situation.

Human nature is so real that it is credulous and suspicious, so that it is weak and very stubborn, hesitating by itself, but doing very decisive things for others.

Indeed, human nature is credulous and suspicious. Say it is weak, it is stubborn. It can't make up its mind by itself, but it is decisive when doing things for others.