Hi jacustomer and thanks for writing.
I think yours is more of a philosophical question than a mental health question, but I can say with confidence that we all change the world. If every action has an effect than in fact we all do change the world with every action we make.
One psychologist whose work I recommend you see, while you are contemplating is listed below. Give me just one moment to provide the link.
I think your question a little bit too simple, so I have to ask if you have more to add on this.
Best wishes and warm regards,