As a tennis player, or any professional athlete, our career has a shelf life. I don't want to waste any opportunities, I don't want to look back on it when I'm 45 and think I could have done a lot more.
More Quotes by John Isner
People often come up and tell me how much money I make in a year, which is funny because I don't think it's something I've ever said to someone.
Taking care of my body and my health is my full-time job.
My theory is that I'm just closer to the sun than everyone else. I weigh more than everyone else, I'm taller than everyone else. When it's really humid and hot outside it's going to take a bigger toll on me.
I always have to play very aggressive on the court. It's something that's easier said than done.
Playing four years of college, when you're playing for someone other than yourself, I think it makes it a lot more fun.
I try not to make a habit of spending the whole year losing in the first rounds of events, but tennis is one of those sports where nothing is guaranteed.