Pablo Picasso once said, “It took me four years to paint like Rafael, but a lifetime to paint like a child.” Whitney Houston once sang, “I believe the children are our future / Teach them well and let them lead the way.” Even the wry Mark Twain had something nice to say about children: “The most interesting information comes from children, for they tell all they know and then stop.” Among other famous quotes, it’s clear that we often associate children with our greatest virtues: hope,...