You are so right!
If all or even most adults could retain this sense of great joy and wonder about the world around them what a different world we would inhabit. Her view initially sounds very simplistic but is far from it, she has the right of it, imagine if even one world leader had this kind of psychology the ripple that could create throughout this planet would be immense and beautiful.
I nominate Lillie and those of her ilk to be the future leaders to guide us where we really should be heading!