Who said "The key is to believe in yourself when no one else does."?

This quote is attributed to Roger Federer.

The key is to believe in yourself when no one else does. - Roger Federer

"The key is to believe in yourself when no one else does."

Roger Federer Courage

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"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."