Today's world can seem bleak and pointless given the unprecedented (to the present living generations) horrors and mindless "leadership," so a ray of sunlight and hope may help, if even for two brief minutes. But it can enlighten and comfort, something we desperately need at this time. From several years ago, here is a video of excerpts from the incredible BBC nature documentaries hosted by Sir David Attenborough who recites the lyrics of the great Louis Armstrong's song. A bit of wonder, sanity, decency and true beauty in our troubling time.