Who said "The mind is as important as the body in this sport."?

This quote is attributed to Roger Federer.

The mind is as important as the body in this sport. - Roger Federer

"The mind is as important as the body in this sport."

Roger Federer Philosophy

Professional Tennis Player Swiss Born 1981 (age 45)

"I appreciate the opportunity to play in front of my home fans"

"Tennis has given me everything"

"The moment of victory is much too brief to live for that and nothing else"

"I still have a few years left, I hope"

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."