Once I retire, I'm retiring. I'm done.

Our time on Earth is already short enough. For me, it's like every single day I try to be as happy as I can. It's crazy to think about. We never have enough time. That's always the thing. We always want to do more. So it's about being able to spend time on the things that are most important to you. Life is a lot easier that way, and obviously life is pretty difficult a lot of the time.

When you use your imagination anything can happen.

I like to get in my own world. When I'm getting ready for a meet, I always have headphones on, listening to rap music to get myself fired up

If you want to be the best you have to do things that other people aren't willing to do.

This is my 20th year in the sport. I've known swimming and that's it. I don't want to swim past age 30; if I continue after this Olympics, and come back in 2016, I'll be 31. I'm looking forward to being able to see the other side of the fence.

I know it won't be eight medals again. If you want to compare me to that, that's your decision, not mine. I'm going out there to try to accomplish the things that I have in my mind and in my heart.