I remember that John F. Kennedy once said something similar

” “In the final analysis,” …. “our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children’s future. And we are all mortal.” “

Yet now, fifty years later, we still act as if the planet was infinite, we had found a cure for death and we had given up about the fate of our children…