That's fair use, not a copyright violation. Google: "(in US copyright law) the doctrine that brief excerpts of copyright material may, under certain circumstan

That's fair use, not a copyright violation. Google: "(in US copyright law) the doctrine that brief excerpts of copyright material may, under certain circumstances, be quoted verbatim for purposes such as criticism, news reporting, teaching, and research, without the need for permission from or payment to the copyright holder.".