Considered as the world’s greatest heavyweight boxer, Muhammad Ali, died late Friday night in a Phoenix-area hospital He was 74 years old. More than boxer, Muhammad Ali, was a very influential person, a towering figure, and a prominent vocal activist for civil rights. As a tribute to him, Here are some of Muhammad Ali greatest quotes that we need to learn and do something about them:

“Only a man who knows what it is like to be defeated can reach down to the bottom of his soul and come up with the extra ounce of power it takes to win when the match is even.” – Muhammad Ali Quote

“Service to others is the rent you pay for your room here on earth.” – Muhammad Ali Quote

“Impossible is just a big word thrown around by small men who find it easier to live in the world they’ve been given than to explore the power they have to change it. Impossible is not a fact. It’s an opinion. Impossible is not a declaration. It’s a dare. Impossible is potential. Impossible is temporary. Impossible is nothing.”

7 Muhammad Ali Quotes To Live By

7 Muhammad Ali quotes to live by. https://t.co/QjzcL5QHpd

— Esquire (@esquire) June 8, 2016

“Float like a butterfly, sting like a bee. His hands can’t hit what his eyes can’t see. Now you see me, now you don’t. George thinks he will, but I know he won’t.”

“Braggin’ is when a person says something and can’t do it. I do what I say.”

“I hated every minute of training, but I said, ‘Don’t quit. Suffer now and live the rest of your life as a champion.’”

“Hating people because of their color is wrong. And it doesn’t matter which color does the hating. It’s just plain wrong.”

“Live everyday as if it were your last because someday you’re going to be right.”

VIDEO: Compilation of some of Muhammad Ali’s Most Famous Trash Talks

“A man who has no imagination has no wings.”