I am not saying I am the best manager in the world. But I'm quite good.
Shinji Kagawa is one of the best players in the world, and he now plays 20 minutes at Manchester United - on the left wing! My heart breaks. Really, I have tears in my eyes. Central midfield is Shinji's best role.
I'm not a one-man show. I was never that in my life, and I never want to be that.
I didn't take many penalties, but I never missed one.
When I left Dortmund, I said it's not important what people think when you come in but what they think when you leave.
If you want special results, you have to feel special things and do special things together. You can speak about spirit, or you can live it.
I am not a dreamer. I am a football romantic.
Football is a game you cannot play without making mistakes.
The challenge is to stay cool enough to handle the pressure in the moment so that you can succeed in the future.
Anyone can have a good day, but you have to be able to perform on a bad day.
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