added a quote

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -3,6 +3,10 @@
         alt="Master">
 </p>
 
+<p align="center">"<i>Knowledge is powerful, be careful how you use it!</i>"</p>
+
+<br>
+
 <h4 align="center">A collection of awesome lists, manuals, blogs, hacks, one-liners, cli/web tools and more.</h4>
 
 <br>