Mike Tyson

"Success is 90% mental and 10% physical."

"I'm not fighting for money or fame. I'm fighting for myself."

"The greatest achievement is becoming the best version of yourself."

"I had to learn that losing is just a lesson in disguise."

"Discipline is the bridge between goals and accomplishment."

"I became great because I demanded it of myself."

"You're either growing or you're dying. There's no middle ground."

"I had to accept my past to move forward."

"The mind is stronger than the body. Use it."

"I fight to prove to myself that I'm alive."

"Real power is the ability to control yourself."

"I learned that legacy is built through consistency."

"The greatest gift I ever received was pain."

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

"Fear is the most dangerous weapon in the world."

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

"You must believe in yourself when no one else does. That makes you a winner right there."

"The mind is the strongest muscle in the body."

"Discipline is doing what needs to be done, even if you don't want to do it."

"Real knowledge is knowing the extent of one's ignorance."

"Sometimes you need to get knocked down to really understand where you stand."

"I'm in my best shape, I'm training hard and I feel very good."

"When you're scared, that's when you're most alive."

"Money doesn't bring happiness, but it does bring options."

"I don't try to intimidate anybody before the fight. My fighting is very calm, very composed."

"You have to believe you are the best and then make sure that you are."

"Everybody has a plan until they get punched in the mouth."

"The art of fighting is just the art of defending yourself."

"I'm not going to say I'm the best until I know that I am."

"Some people can't believe in themselves until someone else believes in them first."