For example, excellent people are easy to get along with others. It is easier to be jealous or excluded by others. Generally don't want others to develop particularly well. Will always try to stop you from moving forward.
In addition, there are credulous, kind and practical. Generally speaking, it is easier to be unprepared for others, in this case.
In a word, we should remember that it is indispensable to prevent people, and we should also be vigilant in our daily life or work.