<https://thesteelstudy.com/2021/04/18/its-just-too-easy-to-be-a-pessimist/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thesteelstudy.com/2021/04/18/its-just-too-easy-to-be-a-pessimist/>