Every day, there's always something to be worried about; you turn on the news and see something different every day, and it's terrible. Hopefully, as Americans, and as the inhabitants of the world, we can come together. We need to change lives - whether that's conserving water, destigmatizing mental health treatment or something else. We can change lives.

[Phelps] firmly denies that he takes drugs, suggesting that the notorious photo of him smoking from a bong was a one-time lapse of judgment.

Being compared to Ian Thorpe, that could be one of the greatest compliments you could ever get in swimming - being compared to him and Mark Spitz.

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.

The more you dream the more you achieve.

Dream as big as you can dream, and anything is possible.

We wanted to see how close we could get to the world record. We'll take that for right now.