If one's great...

...one's really great.  And it's great!

#Federer through to the quarterfinals! #AusOpen pic.twitter.com/Trk7Oto2q9

— #AusOpen (@AustralianOpen) January 22, 2017

This is great...  Roger Federer is great!  

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Video credit:  Thanks, Twitter and @AustralianOpen, for the video share.

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