Berdych and Safarova are the talk of Melbourne Park
"It's amazing, I still can't believe it, it's incredible."
Lucie Safarova struggles to come to terms with her victory over Amelie Mauresmo.
"That's amazing we finish in the same time. We are both really happy. Before the Open, we spoke together and we were like 'together we can do it'."
Safarova after she and boyfriend Tomas Berdych win their matches almost simultaneously.
"We're too young."
Safarova, 19, on whether she and Berdych are planning to get married.
"I have a hard time thinking he's going to agree with it, but heck, I might as well propose it."
Andy Roddick considers asking former flatmate Mardy Fish to repay the rent by losing their quarter-final.
"He's got a hundred things to tell me about. He talks a lot."
Fish's secret weapon is coach Todd Martin.
"I had a long talk with my body, and we agreed that if you get through these tournaments I'll give them surprises. Dresses or something, shoes."
Serena Williams has set up a reward scheme for herself after reaching the Australian Open quarter-finals.
"I could have called him or sent him an email."
Roger Federer's response when asked if he was trying to send a message to Novak Djokovic by beating him in straight sets.
"You always feel sorry that you lost a match even against the best player in the world."
Being beaten by Federer is no consolation for Djokovic as he makes his fourth-round exit.
"It's crazy there. Especially today they showed the match at 4am. I heard a lot of people watched it. Probably it will get crazy more and more."
Shahar Peer on the reaction to her progress in home country Israel.
"She was just reeling off shots one after the other, like she didn't really care, and they were all going in."
American Ashley Harkleroad gives her view on what sparked her vanquisher Daniela Hantuchova's revival.
"I am not intimidated at all."
Li Na begins a war of words (sort of) with fourth-round opponent Martina Hingis.