In the 2013 film Man of Steel, young Clark Kent used his super-human strength to save a busload of fellow students from drowning in a river. Clark’s father, who believed the world wasn’t prepared to accept his supernatural son, urged Clark to keep his great strength a secret. He explained to him, “When the world finds out what you can do, it’s going to change everything—our beliefs, our notions of what it means to be human—everything!”