“Anyone can have a good day, but you have to be able to perform on a bad day.”

Only one can win, and all the others are disappointed and live in the middle of disaster.

Often, you are forced to keep things simpl

Only stupid people are changed by success.

I was a fighting machine with a will of iron.

The Premier League is one of the most difficult in the world. There’s five, six, or seven clubs that can be the champions.

I’m not a one-man show. I was never that in my life, and I never want to be that.

Sometimes I don’t use the words ‘will’ and ‘want’ in the right way.

Bad performances can happen and are not that serious – even with new players. You can’t, say, sell him, get a new one.

I am not saying I am the best manager in the world. But I’m quite good.

I’m really a normal football manager.

My first win feels better than a draw!

I had no bad moment in my relationship with Dortmund. Not one second.

Yes, it is one of my ultimate aims – it is the ultimate sense of football: to make the people happy, to let them live some emotions that you usually can’t get.

I left Mainz after 18 years and thought, ‘Next time, I will work with a little less of my heart.’ I said that because we all cried for a week.

The wind can be quite extreme in England. We are not familiar with that in Germany, and you have to keep things simple.

If you have never had success, then nobody knows how it is, but in Liverpool, everybody knows how it was.

It is painful to be told that anything is very fine and not be able to feel that it is fine–something like being blind, while people talk of the sky.

One of the key things in the tech business in particular is that you need to be able to push boundaries.

If you are going to have a risk-taking culture, you can’t really look at every failure as a failure, you’ve got to be able to look at the failure as a learning opportunity.

We wouldn’t be able to buy things online, because your credit cards – they’ve probably been ripped off anyway, but they would be ripped off left and right every day if there wasn’t encryption.

There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it.

I admire a person who, for the love of art, is able to take off their clothes in front of a camera. But I’m not capable, I’m too cowardly for that.

Liberty is not the power of doing what we like, but the right of being able to do what we ought.

We are able to learn from a failure, but perhaps not much from a success!