There is only one corner of the universe you can be certain of improving, and that's your own self.
<a href="//commons.wikimedia.org/w/index.php?title=User:Haidar93&amp;action=edit&amp;redlink=1" class="new" title="User:Haidar93 (page does not exist)">Haidar Ali</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>