All I can do is my best.

Early goals make us more confident and energetic for the rest of the game.

When I was with PSV Eindhoven in Holland, some people still thought Asian players weren't good enough to play in Europe. It's always good to rise to the challenge and prove them wrong. When I first came to United, I had to prove my ability again.

I study the other players in training, particularly the forwards, and I look at how they are scoring goals. What do they do when they finish a chance?

I'm looking forward to playing my part in keeping United at the top of the game.

I have enjoyed every minute of my time at United.

I just want to be a normal person.

Asian culture is that people are quite excited about the players.

The best goal I have scored for the national team would be during the 2002 World Cup against Portugal. It was my first World Cup and my first goal in the World Cup. It was like a dream, and that's why it was so memorable.

Managers now don't just use 11 players; they have to care about all the squad of 25 or more players.

The biggest thing for Asian players to remember is the football style is different in Europe - as is the culture - so they have to accept that. Mentally, they need to be ready and very strong.

Some players aren't able to show their ability in Europe, but some players can - I think the most important quality in the successful players is that they are mentally strong.

I love playing for United and have lots of good memories from my time here.

It's unbelievable. I never thought I could play for United 200 times.

There's no truth at all that I would leave United - I want to stay here, and I have no reason to leave. I would like to stay here for life, of course - why not? It's the best club in the world.

When I made up my mind for Manchester, I felt I had betrayed Hiddink. I knew he wanted me to go to Chelsea, so I found it difficult.

It was a very difficult decision to leave United.

In Korea, if a player makes a mistake, the other players don't like to point it out. Rather, they try to embrace it; they take the attitude, 'Let's do better next time.' But in the West, if you do something wrong, another player will make a point of saying something, and you will have to fix it immediately.

A lot of the South Korean players are very interested in the Premier League. They ask questions about what life there is like, so I try to give them answers.

I am very happy that I proved Asian players can deal with the high levels of European football.

Many Asian players have seen they can play in Europe at a high level.

I need to improve my finishing. I need more goals.

It would be honour for me to keep playing for Manchester United.

We need more of our players to follow the trend and move to Europe, which is the biggest stage in world football, but we're not doing that, and that makes it difficult for us to compete with other countries.