The tree of life connects the ground and our physical existence to the skies and the heavens. It unites all forms of life to mother earth and the universe. It is widely recognised and cited in many faiths and cultures including Christianity, Buddhism, Islam, Judaism, Hindu and Baha'i - all over the world, uniting all of humanity and the universe as a whole.
When you are teaching students about growth mindset, I believe it is vital to use stories they can relate to. If they are seeing other characters showing both a growth mindset and a fixed mindset, they will be more likely to understand what each look like.