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After losing in five sets to Rafael Nadal last month in the Australian Open finals, Federer was asked what he thought he needed to work on:
"You can’t win everything. The idea is to take positives from those setbacks and work at getting better. I have never believed in working on my weaknesses. My serve and my forehand are my strengths and I work on them to get better."
[Here's a great highlight video of Federer.]