"You have to wonder if he's from the same planet."
Over the past 20 years it was not only Novak Djokovic who wondered if Roger Federer had been crafted and dropped onto Centre Court by the tennis gods.
The greats excel in sport.
Federer, who has announced he will retire later this month, was also one of a select few who could draw you in and grab your heart, while seemingly reaching perfection.
Others may now have won more titles - let's leave the 'GOAT' debate for another day - but for many the once stroppy youngster was sport at its pure best.