What is the most important to understand in order to prevent future wars?

Question from the Internet:

“What is the number one point or plan to teach others to prevent wars forever?”

I will be a bit careful when answering this question. I would like to revise the part about “teaching others” as it implied as if I was right and needed nothing to learn, and I would be qualified and authorized to teach others.

Usually this kind of “teaching” does not work as it places the “teacher” on a higher pedestal and people do not like being “taught”.

This is why the right educational method does not directly teach “top-down”, instead it gives people the tools and the user guide, so people could develop and teach themselves willingly if they want to.

Only a method that gives people the freedom and the positive inspiration to develop and change themselves can work, while methods that are built on coercion, fearmongering, direct, “top-down” teaching usually do not achieve the desired result.

So how can we achieve true peace and prevent wars after all this introduction? For that, first, we would all need to recognize that the root cause of all arguments, conflicts and wars is within us. We need to recognize and accept that it is our own, inherently self-serving, self-justifying, ruthlessly competitive nature that incites ruthless competition and survival and success at the expense of others.

It is this inherent human nature that builds human relationships and societies that all end up with some people controlling, manipulating and exploiting others.

We will start our development towards true peace when we all become ready to build connections and mutually complementing cooperation above and against our instincts and inherent attitude toward others.