A champion is someone who gets up when he can’t.

Jack Dempsey, an American boxer who held the world heavyweight title from 1919 to 1926 and is considered one of the best punchers of all time.

The man who has no imagination has no wings.

Muhammad Ali, three-time World Heavyweight Champion, who is widely considered to be one of the best heavyweight boxing champions ever.

You don’t think. It’s all instinct. If you stop to think, you’re gone.

Sugar Ray Robinson

Inactivity is the biggest sin in boxing.

Sugar Ray Leonard

I will fight like a lion to retain my title.

Rafael Márquez

When I was a young fellow I was knocked down plenty. I wanted to stay down, but I couldn’t. I had to collect the two dollars for winning or go hungry. I had to get up. I was one of those hungry fighters. You could have hit me on the chin with a sledgehammer for five dollars. When you haven’t eaten for two days you’ll understand.

Jack Dempsey

Don’t count the days, make the days count.

Muhammad Ali

To be a champ you have to believe in yourself when no one else will.

Sugar Ray Robinson

Getting hit motivates me. It makes me punish the guy more. A fighter takes a punch, hits back with three punches.

Roberto Durán

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

Muhammad Ali, three-time World Heavyweight Champion, who is widely considered to be one of the best heavyweight boxing champions ever.