First of all, we should understand that the purpose of the examples in this paper is not to prove that these examples are true, but to illustrate the problem. If it's just to prove it, just find a reason casually, and you don't need to spend a lot of energy to prepare. Therefore, when we write an article, we must be clear about our purpose, otherwise, even if we cite many examples, we will not achieve the expected results.
Secondly, if we want to prove some viewpoints through examples, we must have sufficient evidence, that is, the cited examples should support our views. For example, suppose you want to demonstrate that "the human brain can store information". At this time, you should give concrete evidence, that is, the data you collected. For example, a study pointed out that the storage capacity of the human brain is much larger than most people think. With this evidence, you can conclude that the human brain can indeed store a lot of information.
Finally, it should be explained that although we often use a large number of examples when writing papers, it does not mean that all examples should be explained in the same way, because there are different reasons behind different cases. If your understanding of this problem is wrong, then the case you choose will be counterproductive. Therefore, before writing, we must first find out the key points of the problem, and then choose the appropriate case, so as to better solve the problem.