Who said "My biggest fear is not losing. It's not becoming great."?

This quote is attributed to Mike Tyson.

My biggest fear is not losing. It's not becoming great. - Mike Tyson

"My biggest fear is not losing. It's not becoming great."

Mike Tyson Fear

Professional Boxer American Born 1966 (age 60)

"Discipline is doing what you hate to do, but nonetheless doing it like you love it."

"Fear is only in the mind."

"I'm the best ever. I'm the most brutal and vicious, and most ruthless champion there has ever been."

"You must believe in yourself when no one else does."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."