Right? On a global scale, though, “best person you can be” should be something like, “let’s try to behave in such a way so that if everyone behaved like me, the world would be a good place”. That is hard though, to think like that.
What can help is the knowledge that by doing so it is impossible not to on some level inspire others to do the same to some degree by example.
If you’re a selfish jerk that will cause people around you to be .001% (or something) more selfish and jerky. If you are kind and good that will push the needle the other way similarly.
Except the amount more those people are better or worse for knowing you then also influences how much better or worse the people they know are etc and so while it is a small effect per person, the diffused effect is meaningful, cumulative and self-reinforcing. It doesn’t take a lot of people within a community either giving up and being the worst or finding enough of a spine to try to be good to start to tip the balance of the whole community in either direction. It also means that as you are better and kinder, your immediate external world gradually becomes a little better and kinder which makes it easier and more rewarding to be that way in an endless virtuous cycle.
