You-Niqueness
The people who made up the wizarding world of Harry Potter were quite a unique bunch. There were people who could turn into other creatures, people a bit larger or smaller than others, and many others who had interesting quirks and looks.
As Helena Bonham Carter says, the unique parts of all of us make us special. Why should we try and fit in when our weird parts make us who we are? That’s a lesson we can get behind.