Self-discipline is doing what you need to do, even when you ... - Muhammad Ali

"Self-discipline is doing what you need to do, even when you don't want to do it."

Muhammad Ali Strength

Professional Boxer American 1942–2016

More from Muhammad Ali

"Service to others is the rent you pay for your room here on Earth."

"He who is not courageous enough to take risks will accomplish nothing in life."

"Don't count the days, make the days count."

"Impossible is nothing."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."