Hachiko is a very motivational story that you should all know: https://www.youtube.com/watch?v=fJxgu8TtIWI
and this one:
I find the story very upsetting, and I don't usually cry at things like this, so if you get easily emotional, then here you go, watch it.
follow if the story makes you sad and show how much care you show for his legend:
make a project about his story.