Who said "I don't compete to prove anything to anyone but myself."?

This quote is attributed to Serena Williams.

I don't compete to prove anything to anyone but myself. - Serena Williams

"I don't compete to prove anything to anyone but myself."

Serena Williams Perseverance

Professional Tennis Player American Born 1981 (age 45)

"I really think a champion is defined not by their wins and losses, but by can they keep moving forward after defeat."

"Be bold, be courageous, be your best."

"I really think a champion is defined by their ability to overcome."

"The success of every woman should be the inspiration to another."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."