Ultimately, Hershovitz's approach, in betting on his children's endless capacity to ask trenchant questions, has a bittersweet aspect — it's at once like faith and doubt. Rex and Hank's childhood years are finite. The portal to their seemingly infinite aptitude for wonder may close once they reach adulthood. Nevertheless, Hershovitz reminds parents to embrace our children's 'strangeness' as long as we can, and maybe in the process find our way back to the questing child-philosopher within us..