<https://secure.gravatar.com/avatar/ce5d2434d4bf2758887700130be31f00?s=96&amp;d=wavatar&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://list.wiki/de/wissensdatenbank/is-depression-just-a-mindset/>