One day he (Einstein) said that the only mechanical force more powerful than steam, electricity and atomic energy is will. That Albert guy was not stupid. With will you can achieve things.

I fell a bit in love with Celtic, because the atmosphere was amazing and the crowd was magnificent, the way they behaved with the Porto fans.

Everybody was waiting for Chelsea not to win every game and one day when we lose there will be a holiday in the country. But we are ready for that.

The reality is he's a specialist because eight years without a piece of silverware ... that is failure.

He's a specialist in failure.

So I know all about the ups and downs of football, I know that one day I will be sacked.

If you look at revenge we are still winning three one you know, so I don't think it is a question of revenge, is a question of a personal thing